Question

СРОЧНО
2(-3-2х)-(4-9х)=25​

Answer 1

Ответ:

$2( - 3 - 2x) - (4 - 9x) = 25 \\ - 6 - 4x - 4 + 9x = 25 \\ - 4x + 9x = 25 + 6 + 4 \\ 5x = 35 \\ x = 7$