0,6(2х+1)=-1,8(3х-4)
1,2x+0.6=-5.4x+7.2 1.2x+5.4x=7.2-0.6 6.6x=6.6 x=1
1.2х+0.6 = -5.4х + 7.2 1.2х + 5.4х = 7.2 - 0.6 6.6х = 6.6 х =1