https://padlet.com/yuna7933/l1ekli7s2hhkfzj 스웩을 담아 만듦 en-us 2021-06-14 01:15:44 UTC 2023-04-14 19:15:06 UTC hello@padlet.com https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932738 x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9

]]> 2021-06-14 01:16:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932738 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932824 x:y=3:1 을 식으로 바꾸면 비례식의 외항의 곱과 내항의 곱은 같으므로 x=3y 로 바꿀 수 있다. 연립방정식을 세우면
5x+7y=66
x=3y
5×3y+7y=66, 15y+7y=66, 22y=66, y=3 이다. 따라서 x=3×3, x=9
x=9, y=3]]> 2021-06-14 01:16:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932824 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932835 x:y=3:1
x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:16:22 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932835 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932868 2021-06-14 01:16:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932868 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932901 2021-06-14 01:16:24 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932901 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932902 5x+7y=66
x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:16:24 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932902 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932934 3y=x
5곱하기3y+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:16:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932934 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932945 x=3y
5x3y+7y=66
15y+7y=66
22y=66
y=3
 x=3x3
x=9]]> 2021-06-14 01:16:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603932945 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933003 x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9

]]> 2021-06-14 01:16:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933003 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933090 내항의곱=외항의곱 이므로 
3y=x 를 이용해서 풀면
5X+7Y=66
-X+3Y=0
따라서 5X+7Y=66
            -5Y+15Y=0
Y=3,X=9]]> 2021-06-14 01:16:30 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933090 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933351 5x+7y=66
x-3y=0

15x+21y=198
7x-21y=0

22x=198
x=9
y=3]]> 2021-06-14 01:16:39 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603933351 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603934383 5x+7y=66
3y=x

5(3y)+7y=66
15y+7y=66
22y=66
y=3

3곱하기3=9
x=9

그러므로 x=9, y=3]]> 2021-06-14 01:17:15 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603934383 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603934738 5x3y+7y=66
15y+7y=66
22y=66
y=3
 x=3x3
x=9]]> 2021-06-14 01:17:24 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603934738 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935010 5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:17:35 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935010 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935295 x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:17:46 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935295 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935635 5x+7y=66
x=3y
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:17:59 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935635 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935729 x:y=3:1 -> x=3y
5x + 7y = 66에 x=3y 대입
-> 22y = 66 
y = 3
x = 3y = 9]]> 2021-06-14 01:18:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935729 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935882 5X[3Y]+7Y=66
15Y+7Y=66
22Y=66
Y=3
 X=3x3
X=9]]> 2021-06-14 01:18:09 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603935882 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603936155 x=3y
5x+7y=66
-------------------
대입하면
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-14 01:18:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603936155 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938017 위에 식에 3을 대입
6+y=-2
y=-8

3+8=11
7을 11로 잘못보았다.]]> 2021-06-14 01:19:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938017 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938191 위에 식에 x=3을 대입한다.
6+y=  -2
y=-8
밑에 식에 x=3과 y=-8을 대입한다
3+8=11
7을 11로 잘못보았다.]]> 2021-06-14 01:19:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938191 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938196 2x+y=-2
x-y=a
6+y=-2
y=-8
3-(-8)=a
a=11
답11]]> 2021-06-14 01:19:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938196 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938217 2x+y=-2
6+y=-2
y=-8
3-(-8)=k
3+8=k
k=11]]> 2021-06-14 01:19:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938217 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938318 2x+y=-2
x-y=a
6+y=-2
y=-8
3-(-8)=a
a=11]]> 2021-06-14 01:19:33 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938318 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938651 2x+y=-2
x-y=a
6+y=-2
y=-8
3-(-8)=a
a=11]]> 2021-06-14 01:19:45 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938651 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938823 2x+y=-2   
x-y=a

6+y=-2
y=8
3-(-8)=a
a=11     

]]> 2021-06-14 01:19:52 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603938823 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603939116 5x3y+7y=66
15y+7y=66
22y=66
y=3
 x=3x3
x=9]]> 2021-06-14 01:20:04 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603939116 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603939498 7을 잘못 본 숫자를 a라고 하면 
x-y=a 이다. 연립방정식을 세우면
2x+y=-2
x-y=a
2x+y=-2 에 x=3을 대입하여 y를 구하면 6+y=-2, y=-8이다. x-y=a 식에 x=3, y=-8을 대입하면 3-(-8)=a, a=11이다.
따라서 7을 11로 잘못 보았다.]]> 2021-06-14 01:20:16 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603939498 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941149 y=3x
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:21:16 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941149 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941355 x=3
3-y=?

6+y=-2
y=-8

3-(-8)=?
3+8=11

답 : 11]]> 2021-06-14 01:21:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941355 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941616 7을k로 둔다
2x+y=-2
 x-y=k
 6+y=-2
  y=-8
  3+8=11
  k=11
  

]]> 2021-06-14 01:21:33 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941616 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941685 1번 식에다가 3을 대입하면
6+y=7
y=1 x=-2
그리고 2번 식에 또 대입하면
-2-1=?
답 : -3]]> 2021-06-14 01:21:35 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603941685 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942241 x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3, X=9]]> 2021-06-14 01:21:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942241 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942764 2x+y= -2
x-y=a
6+y=-2
y=-8
3-(-8)= a
a= 11
답: 11]]> 2021-06-14 01:22:15 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942764 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942848 y=-2x-2 
3+2x+2=A
A=11]]> 2021-06-14 01:22:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942848 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942891 2x+y=-2
2x-2y=2a
3y=-2-2a
y=-2-2a
        3
-2-2a=-8
     3
a=11]]> 2021-06-14 01:22:20 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603942891 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603943215 y=3x
-x+y=10
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:22:31 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603943215 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944496 2x+y=-2
x-y=a
6+y=-2
y=-8
3-(-8)=a
a=11]]> 2021-06-14 01:23:16 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944496 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944502 6x-14y=10
6x-18y=6
(뺀다)
-----------------
4y=4
y=1
x=4
4-1=3]]> 2021-06-14 01:23:17 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944502 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944659 y=3x
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:23:22 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944659 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944684 -x+y=10
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:23:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944684 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944697 y=3x                           5a+15=-5 
  -x+3x=10 5a=-20
   2x=10 a=-4
 x=5
 y=3x5=15           ]]> 2021-06-14 01:23:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944697 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944963 y=3x
-x+y=10

-> 2x=10
x=5
y=15

->5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:23:33 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603944963 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603945231  ]]> 2021-06-14 01:23:43 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603945231 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603945402 식에 3을 대입한다
6+Y=7
Y=1X=-2
그리고 다시 대입 
-2-1=-3
-3]]> 2021-06-14 01:23:49 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603945402 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946352 y=3x
-x+y=10
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:24:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946352 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946526 y=3x
-x+y=10
-----------------
-x+3x=10
2x=10
x=5 y=15

5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:24:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946526 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946615 y=3x
아래 식에 대입
-x+3x=10
2x=10
x=5
y=15
위에 식에 대입
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:24:30 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946615 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946934 3x-7y=5
2x-6y=2

6x-14y=10
6x-18y=6 빼면

4y=4
y=1

3x-7=5
3x=12
x=4  y=1
4-(1)=a
a=3

]]> 2021-06-14 01:24:41 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603946934 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947131 ax+y=-5
-x+y=10

y=3x
대입하면
ax+3x=-5
-x+3x=10

식을 풀면
x=5, y=15
그러므로

a=-4]]> 2021-06-14 01:24:48 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947131 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947353 3x-7y=5
2x-6y=2
 6x-14y=10
-}6x-18y=6
       4y=4
   y=1
   3x-7=5
 3x=12
 x=4
4-1=a
a=3]]> 2021-06-14 01:24:56 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947353 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947875 2021-06-14 01:25:14 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603947875 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948032 y의 값이 x의 값의 3배를 식으로 나타내면 y=3x이다. 연립방정식을 세우면
-x+y=10
y=3x 
-x+3x=10, 2x=10, x=5 이다. 따라서 y는 3×5이므로 15이다.
x=5, y=15 을 ax+y=-5 식에 대입하면
5a+15=-5, 5a=-20, a=-4이다.
a의 값은 -4이다.]]> 2021-06-14 01:25:20 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948032 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948162 Y=3X
-X+Y=10
2X=10
X=5 Y=15
대입 
5a+15=-5
a=-4]]> 2021-06-14 01:25:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948162 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948422 y=3x
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:25:34 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948422 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948601 6x-14y=10
6x-18y=6
--------------------
4y=4
y=1 x=4

4-1=3

a=3]]> 2021-06-14 01:25:40 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603948601 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603949651 y=3x
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:26:19 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603949651 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603949702 6x-14y=10
6x-18y=6
4y=4
y=1
x=4
4-1=a
a=3

]]> 2021-06-14 01:26:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603949702 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950179 3x-7y=5          
  2x-6y=2
6x-14y=10
6x-18y=6
4y=4
y=1
x=4
4-1=a
a=3]]> 2021-06-14 01:26:39 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950179 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950626 6x-14y=10
6x-18y=6
4y=4
y=1
x=4
4-1=a
a=3]]> 2021-06-14 01:26:56 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950626 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950685     6x-14y=10
(-)6x-18y=6
4y=4
y=1
6x-14=10
6x=24
x=4
x-y=a
4-1=3
a=3]]> 2021-06-14 01:26:58 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603950685 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603951083 6x-14y=10
6x-18y=6
빼주면
4y=4
y=1
위에 식에 대입
3x-7=5
3x=12
x=4
x-y=a 에 대입
4-1=a
a=3]]> 2021-06-14 01:27:11 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603951083 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603952225 3X-7Y=5
2X-6Y=2

 6X-14Y=10
-[6X-18Y=6

Y=1 X=4
4-1=3
a=3

]]> 2021-06-14 01:27:48 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603952225 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603952366 6x-14y=10
 - 6x-18y=6
4y=4
y=1
2x=8
x=4
4-1=3]]> 2021-06-14 01:27:53 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603952366 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603953366 x를 소거하기위해서
3x-7y=5 식에 ×2
2x-6y=2 식에 ×3

6x-14y=10
6x-18y=6
4y=4, y=1 이다. 2x-6y=2 식에 y=1을 대입하면 2x-6=2, 2x=8, x=4이다. 
따라서 x-y=a 식에 x=4, y=1을 대입하면 4-1=a 이므로 a의 값은 3이다.
a=3]]> 2021-06-14 01:28:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603953366 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603954349 2x+y=-2
x-y=a

6+y=-2

y=-8
3+8=a

a=11]]> 2021-06-14 01:29:01 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603954349 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603954712 2021-06-14 01:29:15 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603954712 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603955069 x-y=a

3x-7y=5 양변에 곱하기 2
2x-6y=2 양변에 곱하기 3

6x-14y=10
6x-18y=6 
위에서 아래 빼기
4y=4
y=1
x=4

x-y=a
4-1=3

그러므로 a=3]]> 2021-06-14 01:29:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603955069 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603956799 y=3x
-x+3x=10
2x=10
x=5
y=15
5a=15=-5
5a=-20
a=-4]]> 2021-06-14 01:30:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603956799 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603957676 2x+y=-2
x-y=a
6+y=-2
y=-8
3-(-8)=a
a=11]]> 2021-06-14 01:30:57 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603957676 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603958238 y=3x
-x+y=10
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-14 01:31:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603958238 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603958724 ax+3x=-5
(a+3)x=-5
-x+y=10
-x+3x=10
2x=10
x=5
5(a+3)=-5
a+3=-1
a=-4]]> 2021-06-14 01:31:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603958724 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603959093 2021-06-14 01:31:48 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603959093 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603960153 2021-06-14 01:32:24 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603960153 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603962770 y=3x

-x+y=10
-x+3x=10

2x=10

x=5
y=15

5a+15=-5
5a=-20

a=-4]]> 2021-06-14 01:33:47 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603962770 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603975977 6x-14y=10
6x-18y=6
4y=4
y=1
x=4
4-1=a
a=3]]> 2021-06-14 01:40:40 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603975977 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603976931 2021-06-14 01:41:08 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603976931 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603979121 3x-7y=5
2x-6y=2

6x-14y=10
6x-18y=6

4y=4
y=1
x=4

a=3]]> 2021-06-14 01:42:07 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1603979121 yuna7933 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608903872 2021-06-16 01:49:07 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608903872 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919103 x, y에 1, 1을 대입
3p+q=7
-p+2q=-7
가감법으로 하면
3p+q=7
-3p+6q=-21
이 두 식을 더해주면
7q=-14
q=-2
q에 -2를 위에 식에 대입
3p-2=7
3p=9
p=3
p=3, q=-2

]]> 2021-06-16 01:56:17 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919103 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919116 x에 대입
3p+q=7
-p+2q=-7
->-3p+6q=-21

3p+q=7
-3p+6q=-21 더한다
-----------------------------
7q=-14
q=-2
3p-2=7
3p=8
p=3
3-2=1]]> 2021-06-16 01:56:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919116 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919233 3px+qy=7
-px+2qy=-7 식에 (1,1) 대입
3p+q=7 
-p+2q=-7  식에 × 3

3p+q=7
-3p+6q=-21
7q=-14, q=-2

-p+2q=-7 식에 q=-2를 대입하면
 -p+2(-2)=-7, -p-4=-7, -p=-3, p=3 이다. 따라서 p+q= 3+(-2)=1이다.

]]> 2021-06-16 01:56:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919233 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919250 3p+q=7
-p+2q=-7

6p+2q=14
-p+2q=-7
7p=21
p=3
9+q=7
q=-2
3-2=1
1



]]> 2021-06-16 01:56:22 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919250 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919263 3PX + QY = 7
-PX + 2QY = -7
 X 3
=-3PX + 6QY= - 21

7QY=-14
7QX1=-14
7Q=-14
Q=-2

3PX1 + -2X1= 7
3P+(-2)=7
3P=9
P=3


]]> 2021-06-16 01:56:22 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919263 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919407 (1,1)을 대입하면
 3p+q=7
 -p+2q=-7
  -3p+6q=-21
  +}3p+q=7
        7q=-14
 q=-2
3p-2=7
3p=9
p=3
p+q=3+(-2)=1]]> 2021-06-16 01:56:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919407 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919413 3p+q=7
-p+2q=-7
    6p+2q=14
(-)-p+2p=-7
7P=21
p=3
9+q=7
q=-2

]]> 2021-06-16 01:56:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919413 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919422 2021-06-16 01:56:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919422 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919442 2021-06-16 01:56:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919442 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919892 x랑 y를 대입하면

3p+q=7
-p+2q=-7
------------------
6q+2q=14
-p+2q=-7
---------------------
7p=21
p=3
-3+2q=-7
2q=-4
q=2

p=3
q=2

3+2= 5]]> 2021-06-16 01:56:37 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608919892 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920346 3PX+QY=7
-PX+2QY=-7   해인[1,1]을 대입

3P+Q=7
-P+2Q=-7

6P+2Q=14
-P+2Q=-7

7P=21
P=3 Q=-2
P+Q=1

]]> 2021-06-16 01:56:49 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920346 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920505 3p+q=7
-p+2q=-7
3p+q=7
-3p+6q=-7
7p=21

]]> 2021-06-16 01:56:53 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920505 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920590 2021-06-16 01:56:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920590 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920731 3p+q=7
-p+2q=-7
6p+2q=14
-p+2q=-7
7p=21
p=3
9+q=7
q=-2
3-2=1
1]]> 2021-06-16 01:57:00 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608920731 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608921786 3p+q=7
-p+2q=-7

6p+2q=14
-p+2q=-7

7p=21
p=3
q=-2

p+q=1]]> 2021-06-16 01:57:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608921786 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608923773 3p+q=7
-p+2q=-7
3p+q=7
-3p+6q=-7
7p=21]]> 2021-06-16 01:58:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608923773 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608924312 먼저 y의 값이 x의 3배라는 것을 식을 만들면 y=3x 다
그걸 4x-3y=10 에 대입한다.
그러면 4x-9x=10
-5x=10
x=-2
y=-6
나온 x와y의 값으로 대입한다.
-2-(-6)=a
-2+6=a

a=4]]> 2021-06-16 01:58:45 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608924312 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608924952 2021-06-16 01:59:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608924952 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925056 2021-06-16 01:59:07 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925056 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925062  y=3x
4x-3x3x=10
 4x-9x=10
-5x=10
x=-2
 y=3x-2=-6
-2-(-6)=-2+6=4]]> 2021-06-16 01:59:07 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925062 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925755 y=3x
4x-3y=10에 대입
4x-9x=10
-5x=10
x=-2
y=3x에 대입
y=-6

x=-2, y=-6
x-y=a에 대입
-2-(-6)=4
a=4]]> 2021-06-16 01:59:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925755 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925903 y=3x
4x-9x=10
-5x=10
x=-2
y=-6
-2-(-6)=a
4=a]]> 2021-06-16 01:59:32 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608925903 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926020 3p+q=7
-p+2q=-7

3p+q=7
-3p+6q=-7

7q=-14
q=-2

3p-2=7
3p=9
p=3

따라서 p+q=3+(-2)=1

]]> 2021-06-16 01:59:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926020 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926162 y=3x
4x-3y=10

4x-3(3x)=10
-5x=10
x=-2

-8-3y=10
y=-8

-2-(-6)=a
a=4]]> 2021-06-16 01:59:41 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926162 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926395 4x-9x=10
-5x=10
x=-2
y=-6
-2-(-6)=a
4=a]]> 2021-06-16 01:59:49 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926395 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926665 3p+q=7
-p+2q=-7

->

-p+2q=-7
-(6p+2q=14)
-7p=-21
p=3
q=-2
p+q=1

]]> 2021-06-16 01:59:57 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608926665 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608927882 3x=y
4x-3(3x)=10
4x-9x=10
-5x=10
x=-2
y=-6
-2-(-6)=a
a=4]]> 2021-06-16 02:00:37 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608927882 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608928506 먼저 이 좌표를 연립방정식에 대입한다.
b=6-a
16+4b=a
그래서 a와b에 대한 연립방정식이 생긴다. 미지수가 2개이기 때문에 충분히 연립방정식으로 풀 수 있다.

대입법을 사용해서 풀면
16+4(6-a)=a
16+24-4a=a
-5a=-40

a=8
b=-2
8-(-2)=10

10 ]]> 2021-06-16 02:00:58 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608928506 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608928660 y=6-a
16+4(6-a)=a
16+24-4a=a
40-5a=0
-5a=-40
a=8
b=y의 값
y=6-8
y=-2=b
8-(-2)=10]]> 2021-06-16 02:01:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608928660 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608929084 2021-06-16 02:01:17 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608929084 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608929696 X=1 y=1]]> 2021-06-16 02:01:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608929696 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608930285 (2,b)를 대입하면
b=6-a
16+4b=a
 16+4(6-a)=a
 16+24-4a=a
 40=5a
 a=8
 b=6-8=-2
8-(-2)=8+2=10]]> 2021-06-16 02:01:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608930285 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931142 y=6-a
16+4y=a
16+4(6-a)=a
16+24-4a=a
40=5a
a=8
y=6-8
y=-2

8-(-2)
10]]> 2021-06-16 02:02:22 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931142 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931173 y=6-a
16+4(6-a)=a
16+24-4a=a
-5a=-40
a=8
y=6-8
y=-2
a=8, y=-2
8-(-2)=10]]> 2021-06-16 02:02:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931173 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931387 y=3x르ㄹ 4x-3y=10에 대입
-5x=10
x=-2
y=-6
x-y=a=-2+6=4]]> 2021-06-16 02:02:30 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931387 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931682 2021-06-16 02:02:38 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608931682 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934106 2021-06-16 02:03:51 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934106 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934376 4x-x+2=17
3x=15
a=15]]> 2021-06-16 02:04:00 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934376 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934390 문제 그대로 (2)를 (1)에 대입한다.
4x-(x-2)=17
4x-x+2=17
3x+2=17
3x=15
x=5
y=1

3x=a
3 X 5 =a
a=15]]> 2021-06-16 02:04:00 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934390 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934855 4x-(x-2)=17
 4x-x+2=17
 3x=15
a=15]]> 2021-06-16 02:04:15 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608934855 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935244 y의 갑이 x의 값에 3배를 식으로 나타내면 y=3x 이다. 연립방정식을 세우면 
4x-3y=10
y=3x 대입법을 사용하여 식을 풀면
 4x-3(3x)=10, 4x-9x=10, -5x=10, x=-2이다. x=-2를 4x-3y=10식에 대입하면 -8-3y=10, -3y=18, y=-6이다. 따라서 x-y=a 식에 x=-2, y=-6을 대입하면 -2-(-6)=a, 4=a 이다. 따라서 상수 a의 값은 4이다.]]> 2021-06-16 02:04:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935244 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935409 3p+q=7
-p+2q=-7
6p+2q=14
-p+2q=-7
7p=21
p=3
9+q=7
q=-2
3-2=1
1]]> 2021-06-16 02:04:32 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935409 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935443 8x+4(3x-a)=a
16+4(6-a)=a
16+24-4a=a
40=5a
a=8
b=6-8
b=-2
8-(-2)=10
답10

]]> 2021-06-16 02:04:33 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935443 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935809 (2)를 (1)에 대입
4x-(x-2)=17
4x-x+2=17
3x=15
x=5
3x=a에 대입
15=a
a=15]]> 2021-06-16 02:04:43 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608935809 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936225 y=6-a
16+4y=a

16+24=5a
a=8

6-8=y=-2=b

a-b=10]]> 2021-06-16 02:04:54 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936225 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936232 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:04:54 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936232 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936311 16+4y=a
16+4(6-a)=a
16+24-4a=a
40=5a
a=8]]> 2021-06-16 02:04:57 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936311 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936801 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:05:13 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608936801 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608937551 4x-(x-2)=17
4x-x+2=17
3x=15
x=5
15=a]]> 2021-06-16 02:05:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608937551 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938021 y=-2
a+b=10

]]> 2021-06-16 02:05:52 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938021 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938142 해를 대입하면
a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11

=11]]> 2021-06-16 02:05:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938142 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938162 2021-06-16 02:05:56 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938162 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938521 4x-9x=10
-5x=10
x=-2
y=-6
-2-(-6)=a
4=a
a=4]]> 2021-06-16 02:06:08 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938521 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938958 4x-(x-2)=17
 4x-x+2=17
 3x=15
a=15]]> 2021-06-16 02:06:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608938958 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608939457 3x=y
4x-3(3x)=10
4x-9x=10
-5x=10
x=-2
y=-6
a=-2-(-6)
a=4]]> 2021-06-16 02:06:38 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608939457 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608939934 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:06:52 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608939934 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940491 3x=y
4x-3(3x)=10
4x-9x=10
-5x=10
x=-2
y=-6
a=-2-(-6)
a=4]]> 2021-06-16 02:07:10 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940491 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940728 4x-3y=10 대입하면
4x-3x3x=10
-5x=10
x=-2
y=3x(-2)=-6

x=-2
y=-6

-2-(-6)=a
a=4]]> 2021-06-16 02:07:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940728 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940729 a+4=14
a=10
1+12b=13
12b=12
b=1
10+1=11

]]> 2021-06-16 02:07:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940729 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940764 4x-x+2=17
3x=15=a
a=15

]]> 2021-06-16 02:07:19 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940764 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940931 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:07:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608940931 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608943202 y=6-a
16+4(6-a)=a
16+24-4a=a
-5a=-40
a=8
b=-2
a=8, b=-2
8-(-2)=10]]> 2021-06-16 02:08:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608943202 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608943686 a+4=14
1+12b=13

a=10
b=1

a+b=11]]> 2021-06-16 02:08:51 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608943686 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608945724  y=3x-a
8x+4y=a 두 연립방정식에 (2,b) 를 대입하면 
b=6-a
16+4b=a 대입법을 사용하여 풀면

16+4(6-a)=a, 16+24-4a=a, -5a=-40, a=8이다. b=6-a 식에 a=8을 대입하면 b=6-8, b=-2 이다. 따라서 a-b의 값은 8-(-2)=10이다.]]> 2021-06-16 02:09:51 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608945724 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608946135 y=6-a
16+4(6-a)=a
16+24-4a=a
-5a=-40
a=8
y=6-8
y=-2
a=8, y=-2
8-(-2)=10]]> 2021-06-16 02:10:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608946135 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608946295 y=6-a
16+24-4a=a
-5a=-40
a=8
b=-2
a=8, b=-2
8-(-2)=10]]> 2021-06-16 02:10:08 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608946295 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608949892 -3y=-4x+17
3y=4x-17
4x-17=x-2
3x=15
x=5
15=a]]> 2021-06-16 02:12:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608949892 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608950632 4x-3y=17
4x-(x-2)=17
4x-x+2=17
3x=15
x=15
a=15

]]> 2021-06-16 02:12:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608950632 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608950922 4x-(x-2)=17
4x-x+2=17
3x=15
x=5
a=15]]> 2021-06-16 02:12:36 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608950922 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608952708 4x-(x-2)=17
4x-x+2=17
3x=15
x=5
a=15]]> 2021-06-16 02:13:30 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608952708 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608952991 2021-06-16 02:13:41 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608952991 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608953584 2021-06-16 02:14:02 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608953584 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608953866 4X-9X=10
-5X=10
X=-2
Y=-6
-2-(-6)=a
4=a]]> 2021-06-16 02:14:09 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608953866 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608954470 16+4(6-a)=a
16+24-4a=a
5a=40
a=8
b=6-8=-2
따라서
a-b=8-(-2)=10]]> 2021-06-16 02:14:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608954470 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955072 2021-06-16 02:14:49 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955072 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955086 16+4Y=a
16+4(6-a)=a
16+24-4a=a
40=5a a=8]]> 2021-06-16 02:14:50 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955086 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955393 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:15:00 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955393 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955541 a+4=14
a=10
1+12b=13
12b=12
b=1
a+b=10+1=11]]> 2021-06-16 02:15:04 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608955541 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956056 a+4=14
1+12b=13
a=10
b=1
답:11]]> 2021-06-16 02:15:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956056 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956779  4x-3y=17
3y=x-2 대입을 하여 정리를 해보면 
4x-(x-2)=17, 4x-x+2=17, 3x=15 이다.
따라서 상수 a의 값은 15이다. ]]> 2021-06-16 02:15:40 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956779 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956886 4X-(X-2)=17
 4X-X+2=17
 3X=15
a=15]]> 2021-06-16 02:15:44 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956886 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956984 2021-06-16 02:15:47 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608956984 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957401 y=3x
4x-3(3x)=10
4x-9x=10
-5x=10
x=-2
-8-3y=10
y=-6
-2-(-6)=4
a=4


]]> 2021-06-16 02:16:02 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957401 yuna7933 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957707 2021-06-16 02:16:12 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957707 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957888 2x+7y=34
x-3y=-9

2x+7y=34
2x-6y=-18
13y=52
y=4

x-12=-9
x=3 

3a+4b=-2
18+4a=10

3a+4b=-2
4a=8  a=2

6+4b=-2
b=-2 a=2

-4


]]> 2021-06-16 02:16:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957888 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957966 해가 같으니까 양쪽 연립방정식에서 미지수가 x,y 2개만 있는 방정식으로 연립방정식을 만들면
2x+7y=34
x-3y=-9
-----------------
2x+7y=34
2x-6y=-18
-----------------
13y=52
y=4
x=3
그걸 아까 미지수가 4개인 식에 대입을 한다.
3a+4b=-2
18+4a=10
-------------------
3a+4b=-2
4a=-8
a=-2
-6+4b=-2
4b=4
b=1
-2 x 1 = -2]]> 2021-06-16 02:16:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608957966 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608958162 x-3y=9
x=3y-9
2(3y-9)+7y=34
6y-18+7y=34
13y=52
y=4
x=12-9=3
18+4a=10
4a=-8
a=-2
-6+4b=-2
4b=4
b=1]]> 2021-06-16 02:16:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608958162 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608958194 해가 같기 때문에 x, y를 구할 수 있는 
w
x-3y=-9
2x+7y=34  이 두식을 가감법으로 풀어준다.
2x-6y=-18
2x+7y=34
13y=52
y=4
x+-12=-9
x=3
18+4a=10
a=-2
-6+4b=-2
4b=4
b=1
ab=(-2)x1=-2]]> 2021-06-16 02:16:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608958194 yuna7933 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959357 2021-06-16 02:17:06 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959357 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959505 2021-06-16 02:17:10 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959505 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959804 3y=x
15y+7y=66
22y=66]\
y=3
x=9

]]> 2021-06-16 02:17:20 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959804 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959987 x-y=a
4x-3y=10

y=3x
대입

x-3x=a
4x-3(3x)=10
4x-9x=10
-5x=10

x=-2
y=-6
a=4]]> 2021-06-16 02:17:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608959987 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960049 2x+7y=34
x-3y=-9
    2x+7y=34
(-)2x-6y=-18
13y=52
y=4
2x+7y=34 이 식에 y=4를 대입하면,
2x+28=34
2x=6
x=3

(3,4)를 ax+by=-2와 6x+ay=10에 대입한다.
3a+4b=-2
18+4a=10
4a=-8
a=-2
3a+4b=-2에 a=-2를 대입하면,
-6+4b=-2
4b=4
b=1
ab=-2x1=-2


]]> 2021-06-16 02:17:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960049 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960136 2(3y-9)+7y=34
6y-18+7y=34
13y=52
y=4
x=12-9=3
18+4a=10
4a=-8
a=-2
-6+4b=-2
4b=4
b=1]]> 2021-06-16 02:17:31 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960136 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960480 -x-y=3x+y+2
-x-y=4x+2y+1
-4x-2y=2
-5x-3y=1
    -12x-6y=6
(-)-10x-6y=2
-2x=4
x=-2
-4x-2y=2 이 식에 x=-2를 대입하면,
8-2y=2
-2y=-6
y=3

x=-2,y=3

]]> 2021-06-16 02:17:42 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960480 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960484 2(3Y-9)+7Y=34
6Y-18+7Y=34
13Y=52 Y=4
X=12-9=3
18+4a=10
4a=-8 a=-2
-6+4b=-2
4b=4 b=1]]> 2021-06-16 02:17:42 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960484 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960557 2021-06-16 02:17:45 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608960557 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608962192 2021-06-16 02:18:34 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608962192 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963059 ax+y=14 식에 (1,4)를 대입하면
a+4=14, a=10 이다.

x+3by=13 식에 (1,4)를 대입하면
1+12b=13,12b= 12, b=1이다.

따라서 a+b= 10+1이므로 11이다.]]> 2021-06-16 02:18:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963059 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963463 -x-y = 3x+y+2
3x+y+2 = 4x+2y+1
2x+2 = 7x+3y+3
x=-5
y=-3]]> 2021-06-16 02:19:08 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963463 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963900 x-3y=-9
2x+7y=34
------------
x=3y-9를 아래식에 대입
2(3y-9)+7y=34
6y-18+7y=34
13y=52
y=4
x-12=-9
x=3

18+4a=10
4a=-8
a=-2
   
-6+4b=-2
4b=4
b=1

-2x1=-2]]> 2021-06-16 02:19:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963900 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963966 -x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
 
3x+y+2=4x+2y+1
-x-y=-1
-}-2x-y=1
   x=-2
4-y=1
-y=-3
y=3

]]> 2021-06-16 02:19:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608963966 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968095 2x+7y=34
x-3y=-9
2x+7y=34
2x-6y=-18
13y=52
y=4
x-12=-9
x=3 
3a+4b=-2
18+4a=10
3a+4b=-2
4a=8  a=2
6+4b=-2
b=-2 a=2

-4


]]> 2021-06-16 02:21:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968095 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968134 -x-y
3x+y+2
4x+2y+1

-x-y=3x+y+2
3x+y+2=4x+2y+1
-----------------------------
-4x-2y=2
-x-y=-1
--------------------
-4x-2y=2
-2x-2y=-2
-----------------
-2x=4

x=-2
y=3]]> 2021-06-16 02:21:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968134 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968933 x-3y=9
x=3y-9
2(3y-9)+7y=34
6y-18+7y=34
13y=52
y=4
x=12-9=3
18+4a=10
4a=-8
a=-2
-6+4b=-2
4b=4
b=1]]> 2021-06-16 02:21:53 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608968933 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608969047 x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
 
3x+y+2=4x+2y+1
-x-y=-1
(-)-2x-y=1
   x=-2
4-y=1
-y=-3
y=3]]> 2021-06-16 02:21:56 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608969047 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608969397 -x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
 
3x+y+2=4x+2y+1
-x-y=-1
-}-2x-y=1
   x=-2
4-y=1
-y=-3
y=3

]]> 2021-06-16 02:22:04 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608969397 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608970119 -X-Y=3X+Y+2
-4X-2Y=2(=-2X-Y=1)
 
3X+Y+2=4X+2Y+1
-X-Y=-1-}
-2X-Y=1 X=-2
4-Y=1 -Y=-3 y=3

]]> 2021-06-16 02:22:26 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608970119 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971235 연립방정식을 세우면
2x+7y=34
x-3y=-9 ×2

2x+7y=34
2x-6y=-18
13y=52, y=4이다.

x-3y=-9 식에 y=4를 대입하여 풀면
x-12=-9, x=3 이다. 따라서 두 연립 방정식의 해는 (3,4)이다. 

6x+ay=10 에 (3,4) 를 대입하면
18+4a=10, 4a=-8, a=-2이다. 

ax+by=-2 식에 a=-2, (3,4)를 대입하면 -6+4b=-2, 4b=4, b=1이다. 따라서 ab의 값은 -2×1=-2이다.]]> 2021-06-16 02:23:01 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971235 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971730 3p+q=7
-3+6q=-21
________
7q=-14
q=-2
p=3
.: 3=(-2) 1

]]> 2021-06-16 02:23:16 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971730 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971810 -x-y=3x+y+2
-x-y=4x+2y+1
-4x-2y=2
-5x-3y=1
-20x-10y=10
-20x-12y=4
2y=6
y=3
-4x-6=2
-4x=8
x=-2

x=-2, y=3]]> 2021-06-16 02:23:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608971810 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972236 x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
3x+y+2=4x+2y+1
-x-y=-1
-2x-y=1
   x=-2
4-y=1
-y=-3
y=3]]> 2021-06-16 02:23:31 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972236 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972469 x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
 
3x+y+2=4x+2y+1
-x-y=-1
(-)-2x-y=1
   x=-2

4-y=1
-y=-3
y=3]]> 2021-06-16 02:23:39 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972469 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972885 3x+y+2=-x-y
4x+2y+1=-x-y
---
4x+2y=-2
5x+3y=-1
------
12x+6y=-6
10x+6y=-2
----------뺀당
2x=-4
x=-2
-8+2y=-2
2y=6
y=3

답(-2,3)


]]> 2021-06-16 02:23:52 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608972885 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608988488 연립방정식을 세우면
3x+y+2=-x-y
4x+2y+1=-x-y 정리를 하면

4x+2y=-2  ×3
5x+3y=-1  ×2

12x+6y=-6
10x+6y=-2
2x=-4, x=-2이다. 

4x+2y=-2 식에 x=-2를 대입하면 
-8+2y=-2, 2y=6, y=3 이다.

(-2,3)]]> 2021-06-16 02:32:01 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608988488 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989364 -X-Y=3x+y+2
3x+y+2=4x+2y+1
-------------------------------

]]> 2021-06-16 02:32:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989364 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989465 x-y=3x+y+2
-4x-2y=2(=-2x-y=1)
 
3x+y+2=4x+2y+1
-x-y=-1
(-)-2x-y=1
   x=-2

4-y=1
-y=-3
y=3]]> 2021-06-16 02:32:32 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989465 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989745 y=3x-a
8x+4y=a
(2,b)

b=6-a
16+4b=a

16+4(6-a)=a
16+24-4a=a
5a=40
a=8
b=-2

a-b=8]]> 2021-06-16 02:32:41 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608989745 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608990384 2x+7y=34
x-3y=-9
2x+7y=34
2x-6y=-18
13y=52
y=4
x=3
3a+4b=-2
18+4a=10
3a+4b=-2
4a=-8
a=-2
-6+4b=-2
4b=4
b=1
-2 x 1 = -2]]> 2021-06-16 02:32:59 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608990384 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608992513 2021-06-16 02:33:59 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608992513 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608992823 2021-06-16 02:34:08 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608992823 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993063 2021-06-16 02:34:15 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993063 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993331 2021-06-16 02:34:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993331 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993555 2021-06-16 02:34:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993555 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993738 2021-06-16 02:34:35 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993738 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993892 2021-06-16 02:34:38 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993892 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993953 20517]]> 2021-06-16 02:34:41 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608993953 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994205 2021-06-16 02:34:48 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994205 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994397 2021-06-16 02:34:55 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994397 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994681 3p+q=7
-p+2q=-7
6p+2q=14
-p+2q=-7
7p=21
p=3
9+q=7
q=-2
3-2=1
답:1이다]]> 2021-06-16 02:35:02 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994681 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994695 2021-06-16 02:35:03 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994695 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994729 2021-06-16 02:35:04 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994729 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994876 2021-06-16 02:35:09 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608994876 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995208 2021-06-16 02:35:18 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995208 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995307 2021-06-16 02:35:21 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995307 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995417 2021-06-16 02:35:25 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995417 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995509 y=3x
4x-3(3x)=10
4x-9x=10
-5x=10
x=-2
-8-3y=10
y=-6
-2-(-6)=4
a=4]]> 2021-06-16 02:35:28 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995509 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995536 2021-06-16 02:35:29 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995536 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995872 y=6-a
16+24-4a=a
-5a=-40
a=8
b=-2
a=8, b=-2
8-(-2)=10]]> 2021-06-16 02:35:40 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608995872 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608997245 4X-(X-2)=17
4X-X+2=17
3X=15
a=15]]> 2021-06-16 02:36:20 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608997245 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608998199 a+4=14
a=10
1+12b=13
12b=12
b=1 a+b=10+1=11

]]> 2021-06-16 02:36:50 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608998199 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608998298 2021-06-16 02:36:53 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608998298 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608999315 x=3y
5(3y)+7y=66
15y+7y=66
22y=66
y=3
x=9]]> 2021-06-16 02:37:23 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1608999315 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609000208 2x+y=-2
6+y=-2
y=-8
3-(-8)=z
3+8=z
z=11]]> 2021-06-16 02:37:51 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609000208 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609001361 y=3x
-x+y=10
-x+3x=10
2x=10
x=5
y=15
5a+15=-5
5a=-20
a=-4]]> 2021-06-16 02:38:27 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609001361 https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609002358 3x-7y=5          
2x-6y=2
6x-14y=10
6x-18y=6
4y=4
y=1
x=4
4-1=a
a=3]]> 2021-06-16 02:38:53 UTC https://padlet.com/yuna7933/l1ekli7s2hhkfzj/wish/1609002358