中2
かっこのある連立方程式 _1
連立方程式を解け
2(x+5)-3y=12
4x+9=3(x-2y)
x=-1, y=-43
3(x-4)+2y=-9
5x-11=-5(x+2y)+9
x=-1, y=3
-3(2x+1)+9y=24
3x-12=2(4x-3y)
x=6, y=7
4(x+3)+15y=4
8x+3=3(4y+5)
x=12, y=-23
連立方程式を解け
2(3x+2y)-(x-4y)=11
3x+5y=1
x=47, y=-28
3(2x-y)-5(x-1)=-12
4x+3y=7
x=-2, y=5
4(x-2y)+2(3x+17)=-39
8x+9y=34
x=-52, y=6
-3(2x+8y)+2(2y-1)=-1
7x+4y=-6
x=-1, y=14
連立方程式を解け
2(x-4)-3(y-8)=16
5x-2(3y+9)=-15
x=3, y=2
3(2x+5)+4(y-2)=5
8x-3(x-2y+7)=12
x=-9, y=13
5(4x-3y)-(6y+7)=-32
4x-3(5y+1)=-17
x=-38, y=56
4(2x+1)-3(2x+y)=-1
6x-(2x-3y+9)=8
x=2, y=3
連立方程式を解け
2(3x-5y)-10=x-4(3y+2)
2x-3(2x-y+12)=13
x=-4, y=11
3(4x-3y)-19=5x-2(7y-12)
3x-4(x+y-7)=12
x=4, y=3
-(8x+y)+3=-6x+3(y+2)
5x+3(3x+4y+1)=-2
x=12, y=-1
5(4x+3y)-1=7x-(x-y+15)
4x-5(2x-y-8)=-31
x=6, y=-7
解答 表示
x=-1, y=-43
x=-1, y=3
x=6, y=7
x=12, y=-23
x=47, y=-28
x=-2, y=5
x=-52, y=6
x=-1, y=14
x=3, y=2
x=-9, y=13
x=-38, y=56
x=2, y=3
x=-4, y=11
x=4, y=3
x=12, y=-1
x=6, y=-7