連立A=B=C-6(8問)
2x-3y+1 = 4x-y-1 = -x+6y+10
解答○ ×答: x=32 y=-12
4x+3y-2 = 8x-6y+6 = -2x+3y-5
解答○ ×答: x=-12 y=23
x+3y+4 = 5x-6y-1 = 9x+6y+8
解答○ ×答: x=-14 y=-23
5x+2y-3 = -7x-8y-6 = x+4y+4
解答○ ×答: x=1 y=-32
-3x+4y+5 = 6x-3y-12 = 3x+7y+9
解答○ ×答: x=13 y=-2
-2x+3y+1 = 2x-y-10 = -8x+6y+10
解答○ ×答: x=14 y=-52
2x+12y-9 = -3x+8y-20 = 5x-4y-7
解答○ ×答: x=-2 y=-14
6x-y+4 = 16x-5y-3 = x+3y+9
解答○ ×答: x=25 y=-34
問題と解答
2x-3y+1 = 4x-y-1 = -x+6y+10答: x=32, y=-12 4x+3y-2 = 8x-6y+6 = -2x+3y-5答: x=-12, y=23 x+3y+4 = 5x-6y-1 = 9x+6y+8答: x=-14, y=-23 5x+2y-3 = -7x-8y-6 = x+4y+4答: x=1, y=-32 -3x+4y+5 = 6x-3y-12 = 3x+7y+9答: x=13, y=-2 -2x+3y+1 = 2x-y-10 = -8x+6y+10答: x=14, y=-52 2x+12y-9 = -3x+8y-20 = 5x-4y-7答: x=-2, y=-14 6x-y+4 = 16x-5y-3 = x+3y+9答: x=25, y=-34
