Предмет: Математика, автор: Аноним

4 умножить(1-0.5 а)=-2 умножить (3+2a) сколько будет?

Ответы

Автор ответа: meripoppins60

0

4 (1 - 0.5а) = -2 (3+2a)
4 - 2а = -6 + 4а
4 + 6 = 4а + 2а
6а = 10
а = 1 $frac{2}{3}$

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