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連立A=B=C-7

連立A=B=C-7(8問)

12x-34y+1 = 32x-12y-1 = -14x+y+18

解答○ ×
答: x=4  y=-8

43x+32y-2 = 53x-12y+3 = -12x+34y-6

解答○ ×
答: x=-3  y=2

12x+32y-1 = 53x-12y+2 = 518x+23y-4

解答○ ×
答: x=-6  y=-2

54x-23y-3 = 34x-89y+13 = 1312x+13y+43

解答○ ×
答: x=8  y=-3

-512x-13y+54 = 12x+54y+34 = 38x+74y+94

解答○ ×
答: x=4  y=-2

-14x+310y+12 = 16x-13y-72 = 56x+215y-52

解答○ ×
答: x=2  y=-5

38x+54y-32 = -29x+56y-313 = 712x+34y-1

解答○ ×
答: x=-12  y=-4

34x-y+53 = x-59y+2 = 112x+29y+8

解答○ ×
答: x=4  y=-3
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問題と解答

12x-34y+1 = 32x-12y-1 = -14x+y+18x=4, y=-8 43x+32y-2 = 53x-12y+3 = -12x+34y-6x=-3, y=2 12x+32y-1 = 53x-12y+2 = 518x+23y-4x=-6, y=-2 54x-23y-3 = 34x-89y+13 = 1312x+13y+43x=8, y=-3 -512x-13y+54 = 12x+54y+34 = 38x+74y+94x=4, y=-2 -14x+310y+12 = 16x-13y-72 = 56x+215y-52x=2, y=-5 38x+54y-32 = -29x+56y-313 = 712x+34y-1x=-12, y=-4 34x-y+53 = x-59y+2 = 112x+29y+8x=4, y=-3

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