대입법 연립방정식(2-3) by 박연아

대입법 연립방정식(2-3) by 박연아 https://padlet.com/yuna7933/rx54jy4ohum2ne9h 학번과 이름을 쓰세요 en-us 2021-05-31 04:46:23 UTC 2025-10-14 00:31:57 UTC hello@padlet.com yuna7933 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729067 풀이과정을 쓰시오]]> 2021-05-31 04:46:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729067 yuna7933 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729069 풀이과정을 쓰시오]]> 2021-05-31 04:46:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729069 yuna7933 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729071 풀이과정을 쓰시오]]> 2021-05-31 04:46:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729071 yuna7933 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729073 풀이과정을 쓰시오]]> 2021-05-31 04:46:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729073 yuna7933 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729074 풀이과정을 쓰시오]]> 2021-05-31 04:46:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572729074 20313 서채윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766542 y=2x이므로
2x+ 2x= 8
4x=8
x=2
y=4]]> 2021-05-31 05:05:47 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766542 20305 김서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766546 2x+2x=8
4x=8
x=2
y=4]]> 2021-05-31 05:05:47 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766546 20314 송민혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766621 2021-05-31 05:05:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766621 20307 김이원 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766632 2x + 2x = 8
4x = 8
x = 2
y = 4]]> 2021-05-31 05:05:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766632 20317 안소현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766687 y=2x 이므로
2x+2x=8
4x=8
x=2 y=4]]> 2021-05-31 05:05:52 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766687 20330장준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766690 Y=2X
2X+Y=8
Y-2X=0
-Y-2X=-8
2Y=8
Y=4 x=2

]]> 2021-05-31 05:05:52 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766690 20321 이서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766704 2021-05-31 05:05:52 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766704 20319오인택 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766726 2x2x=8
4x=8
x=2
y=2]]> 2021-05-31 05:05:53 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572766726 20311 남희선 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767264 2x+2x=8
4x=8
x=2
y=2x
y=4]]> 2021-05-31 05:06:11 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767264 20307 김이원 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767595 5x + 2(2x+5) = 10
5x + 4x + 10 = 10
9x = 0
x = 0
y = 5]]> 2021-05-31 05:06:22 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767595 20316심 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767802 2021-05-31 05:06:29 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767802 20324 이정민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767960 2x+2x=8
4x=8
x=2
y=4
x=2 y=4]]> 2021-05-31 05:06:34 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767960 20327이준우 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767965 4x=8
x=2
y=4]]> 2021-05-31 05:06:35 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572767965 20332 황서진 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768305 2x+2x=8
4x=8
x=2
y=2x
y=2x2
y=4 x=2,y=4]]> 2021-05-31 05:06:45 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768305 20305 김서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768330 5x+2(2x+5)=10
5x+4x+10=10
9x=10-10
x=0
y=5]]> 2021-05-31 05:06:45 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768330 20313 서채윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768458 y=2x+5 이므로
5x+ 2(2x+5)=10
5x+4x+10=10
9x=0
x=0
y=5]]> 2021-05-31 05:06:49 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768458 20319오인택 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768872 5x+2(2x+5)=10
5x+4x+10=10
9x+0
x=0 y=5]]> 2021-05-31 05:07:03 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572768872 20307 김이원 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572769114 3x -(x-2) = 10
3x - x + 2 = 10
2x = 8
x = 4
y = 2]]> 2021-05-31 05:07:08 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572769114 20317 안소현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572769526 y=2x=5 이므로
5x+2(2x+5)=10
5x+4x+10=10
9x+10=10
9x=0
x=0 y=5]]> 2021-05-31 05:07:19 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572769526 20326이제희 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770010 2021-05-31 05:07:33 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770010 20329 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770184 2021-05-31 05:07:39 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770184 20327 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770260 2021-05-31 05:07:41 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770260 20314 송민혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770513 2021-05-31 05:07:49 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770513 20313 서채윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770546 y=x-2이므로
3x-(x-2)=10
3x-x+2=10
2x=8
x=4
y=2]]> 2021-05-31 05:07:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770546 20307 김이원 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770558 -(2y+3) + 7y = -8
-2y - 3 + 7y = -8
5y = -5
y = -1
x = -2 + 3
x = 1]]> 2021-05-31 05:07:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572770558 20320 윤서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771251 y=2x x=2
2x+y=8 y=4

2x+2x=8
4x=8
x=2

y=2X2
y=4]]> 2021-05-31 05:08:11 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771251 20321 이서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771442 5x+2(2x+5)=10
5x+4x+10=10
9x=10
x=0
y=5]]> 2021-05-31 05:08:17 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771442 20311 남희선 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771541 5x+2(2x+5)=10
5x+4x+10=10
9x=10-10
9x=0
x=0
y=2x+5
y=o+5
y=5]]> 2021-05-31 05:08:21 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771541 20316심수민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771557 5x+2(2x+5)=10
5x+4x+10=10
x=0
y=5]]> 2021-05-31 05:08:21 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771557 20305 김서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771808 3x-(x-2)=10
3x-x+2=10
2x=10-2
x=4
y=2]]> 2021-05-31 05:08:29 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572771808 20319오인택 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772048 3x-(x-2)=10
3x-x+2=10
2x=8
x=4 y=2]]> 2021-05-31 05:08:37 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772048 20307 김이원 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772143 2번식 : -x = -2 - 3y
= x = 2+3y
4(2+3y) - 3y = 17
8 + 12y - 3y = 17
9y = 9
y = 1
4x - 3 = 17
x = 5]]> 2021-05-31 05:08:40 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772143 20330장준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772475 y-2x=5
2y+5x=10
2y-4x=10
2y+5x=10
-9x=0
x=0 y=5]]> 2021-05-31 05:08:51 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772475 20313 서채윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772634 x=2y+3 이므로
-(2y+3)+ 7y=-8
-2y-3+7y=-8
5y=-5
y=-1
x=1]]> 2021-05-31 05:08:56 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772634 20314 송민혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772923 2021-05-31 05:09:04 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572772923 20317 안소현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572773632 y=x-2 이므로
3x-(x-2)=10
3x-x+2=10
2x+2=10
2x=8
x=4 y=2]]> 2021-05-31 05:09:23 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572773632 20312박준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774590 2x+2x=8
4x=8
x=2
y=4]]> 2021-05-31 05:09:53 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774590 20319오인택 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774801 -(2y+3)+7y=-8
-2y-3+7y=-8
5y=-5
y=-1 x=1]]> 2021-05-31 05:09:58 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774801 20313 서채윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774803 3y=x-2 이므로 이를 대입하면
4x-(x-2)=17
4x-x+2=17
3x=15
x=5
y=1]]> 2021-05-31 05:09:58 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774803 20316심수민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774978 3x-x+2=10
2x=8
x=4
y=2]]> 2021-05-31 05:10:03 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572774978 20321이서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775050 3x-x+2=10
2x=8
x=4
y=2]]> 2021-05-31 05:10:05 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775050 20305 김서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775223 -(2y+3)+7y=-8
-2y-3+7y=-8
5y=-8+3
y=-1
x=1]]> 2021-05-31 05:10:11 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775223 20326이제희 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775388 2x+2x=8
4x=8
x=2
y=4]]> 2021-05-31 05:10:17 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572775388 20314 송민혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776150 2021-05-31 05:10:36 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776150 20311 남희선 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776316 3x-(x-2)=10
3x-x+2=10
2x+2=10
2x=10-2
2x=8
x=4
y=4-2
y=2]]> 2021-05-31 05:10:40 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776316 20310 남서윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776535 2x+2x=8
4x=8
X=2 Y=4]]> 2021-05-31 05:10:48 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776535 20332 황서진 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776735 5x+2(2x+5)=10
5x+4x+10=10
9x=0
x=0
y=2x+5
y=5 x=0,y=5]]> 2021-05-31 05:10:54 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572776735 20317 안소현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777388 x=2y+3 이므로
-(2y+3)+7y=-8
-2y-3+7y=-8
5y=-5
y=-1 x=1]]> 2021-05-31 05:11:14 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777388 20321 이서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777439 -2y-3+7y=-8
5y=-5
y=-1
x=1]]> 2021-05-31 05:11:15 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777439 20326이제희 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777670 5ㅌ+2(2x+5)=10
5x+4x10=10
9x=0
x=0
y=5]]> 2021-05-31 05:11:22 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572777670 20316심수민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778048 -2y-3+7y=-8
5y=-5
y=-1
x=1

]]> 2021-05-31 05:11:32 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778048 20320 윤서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778052 y=2x+5 x=0
5x+2y=10 y=5

5x+2(2x+5)=10
5x+4x+10=10
9x=0
x=0

y=0+5
y=5]]> 2021-05-31 05:11:32 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778052 20302 곽준태 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778057 2x2x =8
4x =8
x =2
y =2

]]> 2021-05-31 05:11:32 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778057 20301 강예준 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778950 2x+2x=8
4x=8
x=2]]> 2021-05-31 05:12:01 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778950 20314 송민혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778990 2021-05-31 05:12:02 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572778990 20322 이서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779041 y=2x
2x+2x=8
4x=8
x=2,y=4]]> 2021-05-31 05:12:03 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779041 20328 이현소 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779097 2 x + 2 x = 8
4 x = 8
x = 2
y = 4]]> 2021-05-31 05:12:05 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779097 20305 김서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779338 -x=-2-3y
x=2+3y
4(2+3y)-3y=17
8+12y-3y=17
9y=17-8
y=1
x=5]]> 2021-05-31 05:12:11 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779338 20324 이정민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779710 5x+4x+10=10
9x=0
x=0
y=0+5
y=5
x=0 y=5]]> 2021-05-31 05:12:20 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779710 20306 김아현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779844 4x-3y=17 3y=4x-17 대입
4x-17=x-2
3x=15 x=5 y=1]]> 2021-05-31 05:12:24 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572779844 20319오인택 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780121 4x-(x-2)=17
4x-x+2=17
3x=15
x=5 y=1]]> 2021-05-31 05:12:32 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780121 20330장준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780198 3x-y=10
y-x=-2
3x-y=10
x-y=2
3x-y=10
-2x=-8
x=4 y=2]]> 2021-05-31 05:12:35 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780198 20311 남희선 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780660 -(2y+3)+7y=-8
-2y-3+7y=-8
5y=-8+3
5y=15
y=-1
x=-2+3
x=1]]> 2021-05-31 05:12:46 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572780660 20317 안소현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572781591 x=3y+2 이므로
4(3y+2)-3y=17
12y+8-3y=17
9y=9
y=1 x=5]]> 2021-05-31 05:13:15 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572781591 20302 곽준태 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572781806 5x + 2(2x+5) = 10
5x + 4x + 10 = 10
9x = 0
x = 0
y = 5]]> 2021-05-31 05:13:21 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572781806 20320 윤서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782347 2021-05-31 05:13:38 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782347 20322 이서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782535 y=2x+5
5x+2(2x+5)=10
5x+4x+10=10
9x=0
x=0,y=5]]> 2021-05-31 05:13:43 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782535 20309김진민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782808 y=2x
2x+2x=8
4x=8
x=2
y=4]]> 2021-05-31 05:13:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782808 20301 강예준 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782810

]]> 2021-05-31 05:13:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782810 20326이제희 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782866 x=2y+3
-(2y+3)+7y=-8
-2y-3+7y=-8
5y=-5
y=-1
x=1]]> 2021-05-31 05:13:52 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572782866 20324 이정민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572783492 3x-x+2=10
2x=8
x=4
y=2
x=4 y=2]]> 2021-05-31 05:14:09 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572783492 20312박준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572783752 5x+2(2×+5)=10
5x+4x+10=10
9x+10=10
9x=10-10
9x=0
x=0
y=5

]]> 2021-05-31 05:14:17 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572783752 20324 이정민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572785648 -2y-3+7y=-8
5y=-5
y=-1
x=1
x=1 y=-1]]> 2021-05-31 05:15:16 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572785648 20328 이현소 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572786070 5 x + 2 ( 2 x + 5 ) = 10
5 x + 4 x + 10 = 10
9 x = 10 - 10
x = 0
y = 5]]> 2021-05-31 05:15:29 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572786070 20311 남희선 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572786611 x=3y+2
4(3y+2)-3y=17
12y+8-3y=17
9y=17-8
9y=9
y=1x=3+2
x=5]]> 2021-05-31 05:15:46 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572786611 20332 황서진 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572787593 3x-(x-2)=10
3x-x+2=10
2x=8
x=4
y=x-2
y=4-2
y=2 x=4,y=2]]> 2021-05-31 05:16:14 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572787593 20330장준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572787986 x=2y+8
-x+7y=-8
x-2y=8
x-7y=8
5y=0
y=0 x=8 ]]> 2021-05-31 05:16:25 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572787986 20309김진민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572788073 y=2x+5
5x+2(2x+5)=10

5x+4x+10=10

9x=0

x=0, y=5

]]> 2021-05-31 05:16:27 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572788073 20322 이서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789075 3x-(x-2)=10
3x-x+2=10
2x=8
x=4,y=2]]> 2021-05-31 05:16:57 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789075 20320윤서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789754 2021-05-31 05:17:19 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789754 20324 이정민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789797 4x-x+2=17
3x=15
x=5
3y=3
y=1
x=5 y=1]]> 2021-05-31 05:17:20 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572789797 20321이서영 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791128 4x-x+2=17
3x=15
x=5
y=1]]> 2021-05-31 05:18:01 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791128 20322 이서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791384 _(2y+3)+7y=-8
-2-3+7y=-8
5y=-5
x=1,y=-1]]> 2021-05-31 05:18:09 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791384 20330장준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791949 2021-05-31 05:18:27 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572791949 20302 곽준태 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792011 3x -(x-2) = 10
3x - x + 2 = 10
2x = 8
x = 4
y = 2]]> 2021-05-31 05:18:30 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792011 20310 남서윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792610 3x-(x-2)=10
3x-x+2=10
2x=8
X=4 y=2]]> 2021-05-31 05:18:49 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792610 20312박준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792843 3x-(x-2)=10
3x-x+2=10
2x=10-2
2×=8
x=4
y=2]]> 2021-05-31 05:18:56 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572792843 20309김진민 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793162 y=x-2
3x-(x-2)=10

3x-x+2=10

2x=8

x=4, y=2

]]> 2021-05-31 05:19:06 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793162 20328 이현소 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793228 3 x - ( x - 2 ) = 10
3 x - x + 2 = 10
2 x = 10 - 2
x = 4
y = 2]]> 2021-05-31 05:19:08 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793228 20320 윤서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793560 2021-05-31 05:19:17 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572793560 20302 곽준태 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572795169 -(2y+3) + 7y = -8
-2y - 3 + 7y = -8
5y = -5 y = -1
x = -2 + 3
x = 1]]> 2021-05-31 05:20:10 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572795169 20322 이서현 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572795398 4x-x+2=17
3x=15
x=5
3y=3
y=1
x=5,y=1]]> 2021-05-31 05:20:17 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572795398 20310 남서윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798161 5x+2(2x+5)=10
5x+4x+10=10
9x=0
x=0 y=5]]> 2021-05-31 05:21:48 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798161 20328 이현소 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798200 - ( 2 y + 3 ) + 7 y = - 8
- 2 y - 3 + 7 y = - 8]]> 2021-05-31 05:21:49 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798200 20332 황서진 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798571 -(2y+3)+7y=-8
-2y-3+7y=-8
5y=-5
y=-1
x=2y+3
x=-2+3
x=1 x=1,y=-1]]> 2021-05-31 05:22:02 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572798571 20312박준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572800539 -2y-3+7y=-8
5y=-8+3
5y=-5
y=-1
x=1

]]> 2021-05-31 05:22:57 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572800539 20310남서윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572803291 -2y-3+7y=-8
5y=-5
X=1 y=-1

]]> 2021-05-31 05:24:13 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572803291 20328 이현소 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572803717 4 x - ( x - 2 ) = 17
4 x - x + 2 = 17
3 x = 15
x = 5
y = 1]]> 2021-05-31 05:24:27 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572803717 20332 황서진 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572806394 4x-(x-2)=17
4x-x+2=17
3x=15
x=5
3y=x-2
3y=5-2
3y=3
y=1 x=5,y=1]]> 2021-05-31 05:25:47 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572806394 20302 곽준태 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572809680 2021-05-31 05:27:28 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572809680 20310남서윤 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572810423 4x-x+2=17
3x=15
X=5 y=1

]]> 2021-05-31 05:27:50 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572810423 20312박준혁 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572811525 4x-(x-2)=17
4x-x+2=17
3x=17-2
3x=15
x=5
y=1]]> 2021-05-31 05:28:21 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572811525 2030 https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572838337 2021-05-31 05:41:52 UTC https://padlet.com/yuna7933/rx54jy4ohum2ne9h/wish/1572838337