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Автор - dashanasha2004

Решите, пожалуйста, все 4 задания)

Ответ

Автор - Darik1687

Могу только со 2 заданием

2(x+7)=9-2x

2x+14=9-2x

2x+2x=9-14

4x=-5

x=-1,25

Прости другое не знаю

Ответ

Автор - apexalka

4 задание: ответ будет y^3 (y и сверху 3)

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