3(1-2х)-5(3-х)-6(3х-4)=83
3-6x-15+5x-18x+24=83
-6x+5x-18x=83-24-3+15
-19x=71
x=-3.14\19
3-6х-15+5х-18х+24=83
-6х+5х-18х=83-3+15-24
-19х=71
х=- 71/19
3(1-2х)-5(3-х)-6(3х-4)=83
3-6x-15+5x-18x+24=83
-6x+5x-18x=83-24-3+15
-19x=71
x=-3.14\19
3(1-2х)-5(3-х)-6(3х-4)=83
3-6х-15+5х-18х+24=83
-6х+5х-18х=83-3+15-24
-19х=71
х=- 71/19