答表示

中2 代入法 _1

連立方程式を解け
x=3y-5 x+2y=5
x=1, y=2
y=4x+3 5x+y=-6
x=-1, y=-1
x+5y=7 x=-4y+5
x=-3, y=2
4x+5y=-7 5y=-7x-1
x=2, y=-3
-x=3y-11 -x+2y=4
x=2, y=3
-y=-2x-3 5x-y=-9
x=-2, y=-1
2x-3y=18 2x=5y+26
x=3, y=-4
2x+3y=-16 3y=7x+2
x=-2, y=-4
-5x=-6y+2 -5x+7y=4
x=2, y=2
-4y=9x-39 3x-4y=-3
x=3, y=3
連立方程式を解け
x=2y-1 -x-5y=-13
x=3, y=2
y=3x+11 4x-y=-16
x=-5, y=-4
2x-3y=-27 x=-2y+11
x=-3, y=7
5x+3y=15 y=-2x+9
x=12, y=-15
x=-6y+5 -3x+14y=9
x=12, y=34
2y=3x+1 9x-2y=-5
x=-23, y=-12
解答 表示
x=1, y=2
x=-1, y=-1
x=-3, y=2
x=2, y=-3
x=2, y=3
x=-2, y=-1
x=3, y=-4
x=-2, y=-4
x=2, y=2
x=3, y=3
x=3, y=2
x=-5, y=-4
x=-3, y=7
x=12, y=-15
x=12, y=34
x=-23, y=-12
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