Предмет: Математика, автор: aleksandrsoldatov775

Четвёртое нужно решить уравнением. Дам 30баллов

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Ответы

Автор ответа: CaptainPronin

Ответ:

Было 32 утки

Пошаговое объяснение:

7(x-29)= (x-11)

7x - 203 - x = - 11

6x = 192

x = 32

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