https://padlet.com/yuna7933/i8ezix02ysirbnkx 학번과 이름을 먼저 적어주세요. en-us 2021-05-31 04:39:16 UTC 2025-04-15 14:38:11 UTC hello@padlet.com yuna7933 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715967 풀이과정을 쓰시오]]> 2021-05-31 04:39:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715967 yuna7933 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715968 풀이과정을 쓰시오.]]> 2021-05-31 04:39:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715968 yuna7933 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715971 풀이과정을 쓰시오]]> 2021-05-31 04:39:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715971 yuna7933 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715975 풀이과정을 쓰시오]]> 2021-05-31 04:39:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1572715975 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139080 2x-y=3 양변에 ×2를 하면

4x-2y=6
3x+2y=8  두 식을 더하면
7x=14, x=2 이다.

x=2를 2x-y=3에 대입해주면 
4-y=3, -y=-1, y=1이다.

x=2, y=1]]> 2021-06-02 01:45:43 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139080 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139226 6x-3y=9
6x+4y=16 빼주면 
-7y=-7
y=1
2x-y=3
2x-1=3
x=2 
x=2 y=1]]> 2021-06-02 01:45:46 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139226 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139397 6x-3y=9    ]
6x+4y=16 ]-
-7y=-7
y=1]]> 2021-06-02 01:45:50 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139397 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139450 6x-2y=6
6x+4y=8]]> 2021-06-02 01:45:52 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139450 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139556 4x-2y=6
3x+2y=8

7x=17
x=2
y=1]]> 2021-06-02 01:45:55 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578139556 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578140567 20520 이주미]]> 2021-06-02 01:46:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578140567 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578141059 2021-06-02 01:46:29 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578141059 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578141274 4x+6y=2
4x+5y=-1
ㅡㅡㅡㅡㅡㅡ
y=3
대입하면 4x+18=2
4x=-16
x=-4
-------------------
x=-4
y=3]]> 2021-06-02 01:46:33 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578141274 383_202010223 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142166    4x-2y=6
+}3x+2y=8
7x=14
x=2

8-2y=6
-2y=-2
y=1
x=2,y=1]]> 2021-06-02 01:46:54 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142166 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142323 4x-2y=6
3x+2y=8
X=2
Y=1]]> 2021-06-02 01:46:58 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142323 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142345 4x-2y=6
3x+2y=8 
x=2
y=1]]> 2021-06-02 01:46:58 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578142345 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578144694 2x-8y=6
2x-9y=8

y=-2
x=-5]]> 2021-06-02 01:47:54 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578144694 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578144828 2021-06-02 01:47:57 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578144828 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578145968 2021-06-02 01:48:23 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578145968 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578146308      4x-2y=6
  + 3x+2y=8
     =7x=14
=x=2 y=1
     ]]> 2021-06-02 01:48:31 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578146308 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578146845 2x-8y=6
2x-9y=8
---------------------
y=-2
대입하면 2x+16=6
2x=-10
x=-5
--------------------------
x=-2
y=-5]]> 2021-06-02 01:48:44 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578146845 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578148682 x+20y=-9
x+2y=9

18y=-18
y=-1
x=11]]> 2021-06-02 01:49:26 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578148682 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578149090 2x-8y=6]
2x-9y=8]-
y=-2
x=-5]]> 2021-06-02 01:49:35 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578149090 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150015 2x-8y=6
2x-9y=8
X=-2
Y=-5]]> 2021-06-02 01:49:58 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150015 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150072 2x-8y=6
2x-9y=8 빼주면
+y=-2
x-4y=3
x+8=3
x=-5
x=-5 y=-2]]> 2021-06-02 01:49:59 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150072 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150400 2021-06-02 01:50:07 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150400 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150482 4x-2y=6
3x+2y=8 
7x=14
x=2
y=1]]> 2021-06-02 01:50:09 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150482 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150649 x+20y=-9
x+2y=9
----------------------
18y=-18
y=-1
대입하면 x-2=9
x=11
----------------------
x=11
y=-1]]> 2021-06-02 01:50:12 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578150649 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578151674 x-4y=3 양변에 ×2를 하면

2x-8y=6
2x-9y=8 두 식을 빼면
y=-2 이다. 

y=-2를 x-4y=3에 대입하면
x+8=3, x=-5이다.

x=-5, y= -2]]> 2021-06-02 01:50:35 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578151674 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578152676 -6x+y=-3
20x-3y=13

-18x+3y=-9
20x-3y=13

2x=4
x=2
y=9]]> 2021-06-02 01:50:59 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578152676 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578152924 2021-06-02 01:51:04 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578152924 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153039   4x-2y=6
+3x+2y=8
7x=14
x=2
8-2y=6
-2y=-2
y=1]]> 2021-06-02 01:51:07 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153039 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153044 x+20Y=-9]
x+2y=9]-
18y=-18
y=-1
x=11]]> 2021-06-02 01:51:07 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153044 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153870 -6x+y=-3
20x-3y=13
-----------------------
-18x+3y=-9
20x-3y=13
--------------------------
2x=4
x=2
대입하면 -12+y=-3
y=9
---------------------------
x=2
y=9]]> 2021-06-02 01:51:26 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578153870 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578154436 x+20y=-9
x+2y=9
y=-1
x=11]]> 2021-06-02 01:51:39 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578154436 383_202010223 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578154760   2x-8y=6
-}2x-9y=8
  y=-2

2x+16=6
2x=-10
x=-5]]> 2021-06-02 01:51:46 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578154760 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155015 2x-8y=6
2x-9y=8
y=-2
x=-5]]> 2021-06-02 01:51:52 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155015 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155255 2x-8y=6
2x-9y=8
y=-2
x=-5]]> 2021-06-02 01:51:57 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155255 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155749 2x-8y=6
2x-9y=8
y=-2
x=-5]]> 2021-06-02 01:52:08 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578155749 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156145 x+20y=-9
x+2y=9
18y=-18
y=-1
x=11]]> 2021-06-02 01:52:18 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156145 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156211 -6x+y=-3
20x-3y=13
-18x+3y=-9
20x-3y=13
X=2
Y=9]]> 2021-06-02 01:52:20 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156211 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156212 -6x+y=-3]
20x-3y=13]

-18x+3y=-9]
20x-3y=13]+
x=2
y=9]]> 2021-06-02 01:52:20 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156212 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156635 2021-06-02 01:52:30 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156635 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156754 x+20y=-9
x+2y=9
18y=-18
y=-1
x=11]]> 2021-06-02 01:52:33 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578156754 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578158804   2x-8y=6
-  2x-9y=8
=-y=-2
y=2 x=-5]]> 2021-06-02 01:53:21 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578158804 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578158981 -6x+y=-3
20x-3y=13

-18x+3y=-9
20x-3y=13
x=2 y=9

]]> 2021-06-02 01:53:25 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578158981 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578159221 2021-06-02 01:53:32 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578159221 383_202010223 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578159445    x+20y=-9
-}x+2y=9
      18y=-18
y=-1

x-2=9
x=11]]> 2021-06-02 01:53:38 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578159445 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578160830      2x-8y=6
(-) 2x-9y=8
y=-2
2x+16=6
2x=-10
x=-5]]> 2021-06-02 01:54:13 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578160830 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578161080 -6x+y=-3
20x-3y=13
-18x+3y=-9
20x-3y=13
2x=4
x=2
y=9]]> 2021-06-02 01:54:20 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578161080 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578161088 2x-y=3  양변에 2를 곱
4x-2y=6
3x+2y=8
7x      =14
x=2
x를 대입
4-y=3 
-y=-1
y=1]]> 2021-06-02 01:54:20 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578161088 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578162266 2021-06-02 01:54:43 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578162266 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163127 0.1x+2y=-0.9 양변에 ×10
1/3x+2/3y=3 양변에 ×3

x+20y=-9
x+2y=9 두 식을 빼면
18y=-18, y=-1

y=-1을 x+2y=9에 대입을 해주면
x-2=9, x=11 이다.

x=11, y=-1]]> 2021-06-02 01:55:05 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163127 383_202010223 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163569 -6x+y=-3
20x-3y=13

   -18x+3y=-9
+}20x-3y=13
      2x=4
x=2

-12+y=-3
y=9]]> 2021-06-02 01:55:15 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163569 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163617 x+20y=-9
x+2y=9
y=-1
x=11]]> 2021-06-02 01:55:16 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578163617 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578165092 2021-06-02 01:55:45 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578165092 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167108      x+20y=-9
(-) x+2y=9
18y=-18
y=-1
x-20=-9
x=11]]> 2021-06-02 01:56:36 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167108 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167463 -6x+y=-3
20x-3y=13
-18x+3y=9
20x-3y=13
2x=4
x=2
y=9]]> 2021-06-02 01:56:45 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167463 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167512 2021-06-02 01:56:47 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578167512 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578169116 x-4y=3  양변에 2를 곱
2x-8y=6
2x-9y=8
      y  =-2
x-4y=3 y에 -2를 대입
x+8=3
x=-5]]> 2021-06-02 01:57:30 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578169116 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578171186 2021-06-02 01:58:18 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578171186 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578172778 -6x+y=-3
20x-3y=13
     -18x+3y=-9
(+)20x-3y=13
2x=4
x=2
-12+y=-3
y=9

]]> 2021-06-02 01:58:58 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578172778 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578174932 0.1x+2y=-0.9에 10을 곱
1/3x+2/3y=3 에 3을 곱
x+20y=-9
x+2y=9
    18y=-18
y=-1
x-20=-9
x=11]]> 2021-06-02 01:59:57 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578174932 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578177320 -3x+1/2y=-3/2 양변에 ×2
2x-0.3y=1.3 양변에 ×10

-6x+y=-3
20x-3y=13

-6x+y=-3 양변에 ×3을 하여 나타내면

-18x+3y=-9
20x-3y=13 두 식을 더하면
2x=4, x=2

x=2를 -6x+y=-3에 대입하면
-12+y=-3, y=9이다.

x=2, y=9]]> 2021-06-02 02:01:01 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578177320 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578183512 2021-06-02 02:03:49 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578183512 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578184946 -3x+1/2y=-3/2 양변에 2를 곱
2x-0.3y=1.3 양변에 10을 곱
-6x+y=-3
20x-3y=13   
-18x+3y=-9
20x -3y=13
2x         =4
x=2
-12+y=-3
y=9]]> 2021-06-02 02:04:28 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578184946 https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578188572 2021-06-02 02:06:06 UTC https://padlet.com/yuna7933/i8ezix02ysirbnkx/wish/1578188572