6 (2-5х)=9-7 (4х-3) помогите решить
12-30х=9-28х+21 -2х=18 Х=-9
6(2-5х)=9-7(4х-3) 12-30х=9-28х+21 -30х+28х=30-12 -2х=18 х=18/(-2) х=-9