連立A=B=C-まとめ(8問)
x-3y = 4x-y = 11
解答○ ×答: x=2 y=-3
4x+3y = x-y+7 = 8x+6y
解答○ ×答: x=-3 y=4
2x+3y-1 = 5x-y+9 = 4x+6y+17
解答○ ×答: x=-6 y=-2
6x-2y-7 = 3x+8y+16 = 12x+4y-14
解答○ ×答: x=83 y=-32
32x-16y+52 = x+5y+20 = -3x+y+24
解答○ ×答: x=4 y=-3
-12x+710y+12 = -13x+23y = 74x+32y
解答○ ×答: x=2 y=-5
16x+54y-2 = -23x+72y-3 = 512x+34y-1
解答○ ×答: x=-12 y=-4
32x-13y+56 = 2x-52y-376 = 23x+59y+133
解答○ ×答: x=1 y=-3
問題と解答
x-3y = 4x-y = 11答: x=2, y=-3 4x+3y = x-y+7 = 8x+6y答: x=-3, y=4 2x+3y-1 = 5x-y+9 = 4x+6y+17答: x=-6, y=-2 6x-2y-7 = 3x+8y+16 = 12x+4y-14答: x=83, y=-32 32x-16y+52 = x+5y+20 = -3x+y+24答: x=4, y=-3 -12x+710y+12 = -13x+23y = 74x+32y答: x=2, y=-5 16x+54y-2 = -23x+72y-3 = 512x+34y-1答: x=-12, y=-4 32x-13y+56 = 2x-52y-376 = 23x+59y+133答: x=1, y=-3