Question

(5-2х)÷3)-9=(8+х)÷5 решите уравнение

Answer 1

$\frac{5 - 2x}{3} - 9 = \frac{8 + x }{5} \\ 15 \times \frac{5 - 2x}{3} - 15 \times 9 = 15 \times \frac{8 + x}{5}$
5(5-2х)-135=3(8+х)
25-10х-135=24+3х
-13х=+134
х=-134/13