Автор - aigerim1216

×/1-5×/1=15/3???????????​

Ответ

Проверено экспертом

Автор - Elo4kaw

x/1 - 5x/1=15/3

x - 5x = 15/3

- 4x = 15/3

x= 15/3: (-4)

x= 15/3•(-1/4)

x= - 15/12

x= - 1 3/12=- 1 1/4

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