Предмет: Математика, автор: solomiavasuk882

$17 - 12(x + 1) = 9 - 11x$
17−12(x+1)=9−11x

Ответы

Автор ответа: MuhammadGulu

2

$17 - 12(x + 1) = 9 - 11x \\ 17 - 12x - 12 = 9 - 11x \\ - 12x + 11x = 9 + 12 - 17 \\ - x = 4 \\ x = - 4$

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