Решите уравнение 2(7+9х)=-6х+2
14+18х=-6х+2 18х+6х=2-14 24х=-12 х=-12:24 х=-0.5
2(7+9х)=-6х+2 14+18х=-6х+2 14-2=-6х-18х 12=-24х 24х=-12 х=-12/24 х=-1/2 х=-0,5