Предмет: Математика, автор: nazartkacenko64

1 вариант
а) -5(3х + 2) = - 3(2x+4).

Ответы

Автор ответа: Timur128

а) -5(3х + 2) = - 3(2x+4).

-15x-10=-6x-12

-15x+6x=-12+10

-9x=-2

x=2/9

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