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Автор - kate5713

помогите пожалуйста очень срочно надо ​

Ответ

Автор - Astronavtka

1) 2x+2y-x+6=0

  3x-x+y=0

x+2y+6=0

y= -2x

x+2(-2x)+6=0

x-4x+6=0

3x=6

x=2

y=-4

3) 5x-2y-8=0

    12x+18-y-41=0

5x-2y-8=0

y=12x-23

5x-2(12x-23) -8=0

5x-24x+46-8=0

19x=38

x=2

y=12*2-23=24-23=1

Ответ

Автор - сок111213

Решение на фотографии .

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