Решите пж !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

Решите пж !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer 1

{x-y=5   ⇒  x=y+5
{x+2y=-1

y+5+2y=-1
3y=-1-5
3y=-6
y=-6/3
y=-2

x=-2+5
x=3

Ответ: (3; -2)