数学二元一次方程{4(x-y-1)=3(1-y)-2 {3分之2(x-y)-4分之x+y=-16(x+y)-4(2x-y)=162分之x+3分之y=2
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![数学二元一次方程{4(x-y-1)=3(1-y)-2 {3分之2(x-y)-4分之x+y=-16(x+y)-4(2x-y)=162分之x+3分之y=2](/uploads/image/z/1544884-52-4.jpg?t=%E6%95%B0%E5%AD%A6%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%7B4%EF%BC%88x-y-1%EF%BC%89%3D3%EF%BC%881-y%EF%BC%89-2+%7B3%E5%88%86%E4%B9%8B2%EF%BC%88x-y%EF%BC%89-4%E5%88%86%E4%B9%8Bx%2By%3D-16%EF%BC%88x%2By%EF%BC%89-4%EF%BC%882x-y%EF%BC%89%3D162%E5%88%86%E4%B9%8Bx%2B3%E5%88%86%E4%B9%8By%3D2)
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