https://padlet.com/yuna7933/akroa8vmypvbff9n 학번과 이름을 먼저 적어주세요. en-us 2021-05-31 04:37:10 UTC 2025-11-12 22:36:51 UTC hello@padlet.com yuna7933 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712095 풀이과정을 쓰시오]]> 2021-05-31 04:37:10 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712095 yuna7933 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712099 풀이과정을 쓰시오.]]> 2021-05-31 04:37:10 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712099 yuna7933 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712100 풀이과정을 쓰시오]]> 2021-05-31 04:37:10 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712100 yuna7933 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712102 풀이과정을 쓰시오]]> 2021-05-31 04:37:10 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1572712102 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575270784 2x-y=3
3x+2y=8
-4x+2y=-6 
3x+2y=8
-7x=-14
x=2
y=1]]> 2021-06-01 05:24:29 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575270784 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575270806 미지수 y를 없애기 위해 2x-y=3의 양변에 2를 곱한다. 
4x-2y=6
3x+2y=8
7x=14
x=2
y=1]]> 2021-06-01 05:24:29 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575270806 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271039 3x+2y=8
4x-2y=6
7x=14
x=2
6+2y=8
2y=2
y=1]]> 2021-06-01 05:24:37 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271039 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271055 4x-2y=6
3x+2y=8
x=2,y=1

]]> 2021-06-01 05:24:38 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271055 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271232 2021-06-01 05:24:43 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271232 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271403     4x-2y=6
 + 3x+2y=8
     7x     =14
        x=2
   4-y=3
    y=1                      x=2,y=1]]> 2021-06-01 05:24:49 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271403 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271507 y=2x-3
3x+2(2x-3)=8
3x+4x-6=8, 7xx=14, x=2
y=2x2-3=1
x=2 y=1]]> 2021-06-01 05:24:52 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271507 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271696 7X
=14
X
=2
y 
=1]]> 2021-06-01 05:24:59 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271696 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271898 6x-3y=9
-6x+4y=16
        -7y=-7
          y=1
y=1,x=2]]> 2021-06-01 05:25:05 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575271898 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575272869 4x-2y=6
3x+2Y=8
 7X=14   X=2
y=1]]> 2021-06-01 05:25:33 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575272869 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575273100 7x=14
x=2
y=1]]> 2021-06-01 05:25:41 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575273100 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575273699 2021-06-01 05:25:59 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575273699 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575274377 미지수 x를 없애기 위해 x-4y=3의 양변에 2를 곱한다. 
2x-8y=6
2x-9y=8
y=-2
x=-5]]> 2021-06-01 05:26:19 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575274377 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275444 2x-9y=8
2x-8y=6
-y=2
y=-2
2x+16=6
2x=-10
x=-5]]> 2021-06-01 05:26:51 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275444 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275542 2x-y:3
3x+2y=]]> 2021-06-01 05:26:54 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275542 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275551 2x-8y=6
2x-9y=8
y=-2
x=-5]]> 2021-06-01 05:26:54 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275551 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275616 x-4y=3
2x-9y=8
2x-8y=6
2x-9y=8
y=-2
x=-5 ]]> 2021-06-01 05:26:56 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575275616 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276106 y=-2
x=-5]]> 2021-06-01 05:27:12 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276106 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276327 4x-2y=6
3x+2y=8
(두식을 더한다) 
7x=14
x=2 y=1]]> 2021-06-01 05:27:19 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276327 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276379 4x-2y=6
3x+2y=8
x=2
y=1]]> 2021-06-01 05:27:21 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276379 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276519 2x-8y=6
2x-9y=8
y=-2 x=-5]]> 2021-06-01 05:27:25 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575276519 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575277794 x+20y=-9
x+2y=9
18y=-18
y=-1
x-2=9
x=11]]> 2021-06-01 05:28:07 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575277794 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575277997 x+20y=-9
x+2y=9
18y=-18
y=-1
x=11]]> 2021-06-01 05:28:13 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575277997 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278331 (2x-y=3)×2
4x-y=6
3x+2y=8
x=2
y=1]]> 2021-06-01 05:28:25 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278331 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278768 -0.9x=-9.9
x=11
y=-1]]> 2021-06-01 05:28:41 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278768 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278932 2x-8y=6
-2x-9y=8
       y=-2
y=-2,x=-5]]> 2021-06-01 05:28:47 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278932 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278994 x+20y=-9
x+2y=9
18y=-18 y=-1
x=11]]> 2021-06-01 05:28:49 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575278994 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279145  x +20y=-9
 x+ 2y=9
18y=-18
y=-1
x=11
 

]]> 2021-06-01 05:28:54 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279145 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279550 -6x+y=-3
20x-3y=13인데 미지수 y를 없애기 위해 -6x+y=-3의 양변에 3을 곱한다. 
-18x+3y=-9
20x-3y=13
2x=4
x=2
y=9]]> 2021-06-01 05:29:07 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279550 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279688 2x-8y=6
2x-9y=8
(두 식을 뺀다)
y=-2 x=-5]]> 2021-06-01 05:29:11 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279688 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279855 2x-8y=6
2x-9y=8
y=-2,x=-5]]> 2021-06-01 05:29:18 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575279855 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575280870 -6x+y=-3
20x-3y=13
-18x+3y=-9
2x=4
x=2
-12+y=-3
y=9]]> 2021-06-01 05:29:49 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575280870 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575281630 x=4y+3
8y+6-9y=8, -y=2, y=-2
x=4x(-2)+3=-5
x=-5 y=-2]]> 2021-06-01 05:30:10 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575281630 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575281884 0.1y=0.9
y=9
x=2]]> 2021-06-01 05:30:18 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575281884 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575282684 x+20y=-9
x+2y=9
18y=-18
y=1,x=11]]> 2021-06-01 05:30:33 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575282684 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575282853 2021-06-01 05:30:38 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575282853 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283050 -6x+y=-3  =   -18x+3y=-9
20x-3y=13
2x=4  x=2   y=9]]> 2021-06-01 05:30:44 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283050 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283160 2x-8y
=6
2x-9y
=8
y
=-2
x
=-5

]]> 2021-06-01 05:30:48 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283160 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283942 -6x+y=-3
20x-3y=13
18x-3y=9
20x-3y=13
-2x=-4
x=2
y=9 ]]> 2021-06-01 05:31:11 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575283942 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575284607 -18x+3y=-9
20x-3y=13
2x=4
x=2,y=9

]]> 2021-06-01 05:31:32 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575284607 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575285080 (위에는 10,아래는 3을 곱한다)
x+20y=-9
x+2y=9
(두 식을 뺀다)
18y=-18
y=-1 x=11]]> 2021-06-01 05:31:48 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575285080 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575285863 x+20y=-9
x+2y=9
18y=-18, y=-1
x+20x(-1)=-9, x=11
x=11 y=-1]]> 2021-06-01 05:32:12 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575285863 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575286879 x+20y=-9
x+2y=9
18y=-18
y=-1 x=11]]> 2021-06-01 05:32:47 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575286879 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287024 2x-8y=6
-2x+9y=-8
y=-2
x=-5]]> 2021-06-01 05:32:51 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287024 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287503 7 x = 14
x = 2 
y = 1]]> 2021-06-01 05:33:06 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287503 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287808 x+20y=-9
-x+2y=9
      18y=-18
y=-1,x=11]]> 2021-06-01 05:33:16 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575287808 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575289040 y = - 2
x = - 5]]> 2021-06-01 05:33:55 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575289040 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575289270 x+20y=-9
x+2y=9
y=-1
x=11]]> 2021-06-01 05:34:03 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575289270 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290580 20x-3y=13
-18x+3y=-9
2x=4
x=2
y=9]]> 2021-06-01 05:34:46 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290580 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290611 4x-2y=6
3x+2y=8
x=2 y=1]]> 2021-06-01 05:34:47 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290611 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290636 -18x+3y=-9
20x-3y=13
x=2
y=9]]> 2021-06-01 05:34:48 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575290636 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291420 -6x+y=-3
20x-3y=13
-18x+3y=-9
+20x-3y=13
   2x       =4
x=2,y=9


]]> 2021-06-01 05:35:11 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291420 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291433 2021-06-01 05:35:11 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291433 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291655 - 0 . 9 x = - 9 . 9
x = 11
y = - 1]]> 2021-06-01 05:35:17 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575291655 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293056 2x-y=3
3x+2y=8
X를 없애기 위해 두식에 각각 2와 3을 곱한다
그러면 6x-3y=9,    6x+4y=18
x가 사라지면 y=18 6x+72=18 
6x=18-72=64 
x=]]> 2021-06-01 05:35:52 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293056 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293389 (위에는 2,아래는 10을 곱한다 )
-6x+y=-3
20x-3y=13
(위 식에 3을 곱한다)
-18x+3y=-9
20x-3y=13
(두 식을 더한다)
2x=4(x=2) y=9]]> 2021-06-01 05:36:02 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293389 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293502 0 . 1 y = 0 . 9
y = 9
x = 2]]> 2021-06-01 05:36:05 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293502 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293858 2021-06-01 05:36:15 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293858 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293870     2x-8y=6
  - 2x-9y=8
          y   =-2
    x+8=3
     x=-5                          x=-5,y=-2]]> 2021-06-01 05:36:16 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293870 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293906 2x-8y=6
-2x+9y=-8
y=-2 x=-5]]> 2021-06-01 05:36:16 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575293906 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575295956 x+20y=-9
x+2y=9
y=1 x=11]]> 2021-06-01 05:37:20 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575295956 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575298331 -18x+3y=-9
20x-3y=13
x=2 y=9]]> 2021-06-01 05:38:37 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575298331 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575303033 (x-4y=3)×2
2x-8y=6
2x-9y=8
y=2
x=5]]> 2021-06-01 05:40:49 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575303033 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575380149 x+20y=-9
- x+2y=9
     18y=-18
     y=-1
   x-2=9
x=11 x=11,y=-1]]> 2021-06-01 06:17:36 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575380149 https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575419526     -18x+3y=-9
 +   20x-3y=13
     2x         =4
           x=2
-12+y=-3
y=9 x=2,y=9]]> 2021-06-01 06:35:21 UTC https://padlet.com/yuna7933/akroa8vmypvbff9n/wish/1575419526