Question

СРООЧНО
9-7(x+3)=5-6x
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Answer 1

Ответ: -17

$9 - 7(x + 3) = 5 - 6x \\ 9 - 7x - 21 = 5 - 6x \\ - 7x - 12 = 5 - 6x \\ - 7x + 6x = 5 + 12 \\ - x = 17 \\ x = - 17$