(-8-5х)+6(10-4х)=-2х+(8-х)

-8-5х+60-24х=-2х+8-х

2х-5х-24х+х=8-60+8

-26х=-44

х=-44:(-26)

х=44/26=1 9/13

-0,4(2х+3)+(5+0,1х)=0,2+8,2х

-0.8х-1.2+5+0.1х=0.2+8.2х

-0.8х+0.1х-8.2х=0.2-5+1.2

-8.9х=-3.6

х=-3.6:(-8.9)=-18/5*(-10/89)

x=36/89

5х-7+6(х-4)=8-6(10+3х)

5х-7+6х-24=8-60-18х

5х+6х+18х=8-60+24+7

29х=-21

х=-21//29