8(0.7x-4)-2(0.2x-3)=-39
5,6x-32-0,4x+6=-39
6x=-13
x=-13/6=-2 1/6
5,6х-32-0,4х+6=-39
5,2х=-39+32-6
5,2х=-13
х=-13/5,2
х=-2,5