Question

помогите решить уравнение
8х+3(7-2х)=4х+3

Answer 1

8х+3(7-2х)=4х+3
8х+3*7-3*2х=4х+3
8х+21-6х=4х+3
8х-6х-4х=-21+3
-2х=-18
х=9