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連立A=B=C-まとめ

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
pc・スマホ問題

問題と解答

x-3y = 4x-y = 11x=2, y=-3 4x+3y = x-y+7 = 8x+6yx=-3, y=4 2x+3y-1 = 5x-y+9 = 4x+6y+17x=-6, y=-2 6x-2y-7 = 3x+8y+16 = 12x+4y-14x=83, y=-32 32x-16y+52 = x+5y+20 = -3x+y+24x=4, y=-3 -12x+710y+12 = -13x+23y = 74x+32yx=2, y=-5 16x+54y-2 = -23x+72y-3 = 512x+34y-1x=-12, y=-4 32x-13y+56 = 2x-52y-376 = 23x+59y+133x=1, y=-3

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