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Alekseii1
@Alekseii1
November 2021
0
12
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{y-xy+3x=-3
{2y+xy-x=2
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snow99
snow99
Прибавим первое уравнение ко второму:
3y + 2x = -1
y=(-1-2x)/3
x1 = -4 y=(-1 -2*(-4))/3 = 7/3
x2 = 1, y=(-1-2*1)/3 = -1
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