-10-2(2х-7)=-10-4х+14=4-4х=-х
-2(4+3x)+8x=-8-6х+8х=-8+2х=-4+х
28x-5(6x-0,2)=28х-30х+1=-2х+1
4x+(8-6x)=4х+8-6х=8-2х=4-х
-13x-(4-9x)=-13х-4+9х=-4х-4=-х
2(6+7)-(12x+11)=12+14-12х+11=15-12х=5-4х
8x-(19x-6)+4(3x-1)=8х-19х+6+12х-4=х-4
-5(2x-1)-3(3-5x)=-10х+5-9+15х=5х-4