Автор - evengequiter

Найдите корень уравнения: 9x–2(–5+7x)=−8x−59x–2(–5+7x)=−8x−5

Ответ

Автор - Damnant57

9x+10-14x=-8x-5

9х-14х+8х=-5-10

3х=-15

х=-15/3

х=-5

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