Предмет: Алгебра, автор: kirillmolodkin699

9x-(5х–4)=4х+4 памагите

Ответы

Автор ответа: lanasitnikova2005

0

9х-(5х-4)×4+4

9х-(20²-16х)+4

х=25х-20х²+4

х=-20х²+4

Автор ответа: petroova16

0

Ответ:

9х-5х+4=4х+4

9х-5х=4х

4х=4х

Утверждение верно, получилось

Объяснение: Скорее всего так.

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