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Автор - yuliyalovatic

Решите пожалуйста уравнение

3: (x-7) = 3:7

Ответ

Автор - karpovanastya
Нужно умножить обе части на общий знаменатель 7(х-7)
Получим уравнение
21=3х-7
3х=28
Х=28/3
Х=9 целых 1 третья

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