Предмет: Математика, автор: digga2

решение уравнения -4(3-x)=2x+7

Ответы

Автор ответа: Яна033333333

-12+4х=2х+7
4х-2х=7+12
2х=19
х=9,5

Автор ответа: mishka19

$-4(3-x)=2x+7 \ -12+4x=2x+7 \ 4x-2x=7+12 \ 2x=19 \ x=19:2 \ x=9,5$

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