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Автор - lavgudlera

решите систему:
5х-4у=22
7х+4у=2

Ответ

Автор - katuxa13


4y=5x-22

4y=2-7x


5x-22=2-7x

12x=24

x=2

4y=5*2-22= -12

y=-3

ответ (2;-3)

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