Предмет: Математика, автор: ermekovali

{2(x+y)-x=-6
{3x-(x-y)=0

Ответы

Автор ответа: mukus13
11
2x+2y-x= - 6
2x+y=0

x+2y = - 6
2x+y=0

x+2y= - 6
- 4x-2y=0

- 3x= - 6
2x+y=0

x=2
y= - 4

Ответ:(2; - 4)

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