中2
代入法 _2
連立方程式を解け
x=-3y-7 2x+5y=-10
x=5, y=-4
y=3x-11 5x+2y=0
x=2, y=-5
3x+4y=6 x=-3y+7
x=-2, y=3
3x-4y=-1 y=2x+9
x=-7, y=-5
x=3y-29 -5x-2y=-42
x=4, y=11
7x+5y=-21 y=-4x+27
x=12, y=-21
連立方程式を解け
x=-6y-7 3x+8y=-6
x=2, y=-32
y=3x-9 9x+2y=7
x=53, y=-4
3x+10y=6 x=-2y+1
x=-12, y=34
2x-5y=-9 y=-2x-1
x=-76, y=43
x=3y+4 8x-6y=17
x=32, y=-56
3x-5y=42 y=-5x-28
x=-72, y=-212
連立方程式を解け
3x=-5y+6 3x+2y=15
x=7, y=-3
2y=3x+7 5x+2y=-33
x=-5, y=-4
-4x+5y=48 4x=3y-32
x=-2, y=8
6x-5y=72 5y=-2x-16
x=7, y=-6
8x=3y-9 8x-5y=1
x=-3, y=-5
3x-7y=-15 7y=5x-3
x=9, y=6
解答 表示
x=5, y=-4
x=2, y=-5
x=-2, y=3
x=-7, y=-5
x=4, y=11
x=12, y=-21
x=2, y=-32
x=53, y=-4
x=-12, y=34
x=-76, y=43
x=32, y=-56
x=-72, y=-212
x=7, y=-3
x=-5, y=-4
x=-2, y=8
x=7, y=-6
x=-3, y=-5
x=9, y=6