Question

Помогите .Пж друзья пжж

Answer 1

{Х-3y=8 I*(-2)
{2x-y=6 I8(1)
-2x+6y=-16
2x-y=6
5y=-10
y=-0,5

Answer 2

-6x -9y=-3

Answer 3

6x-2y=14

Answer 4

-11y=11

Answer 5

y=-1

Answer 6

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