Решите плиз -4(2х+3)+11=-15х-3
-4(2х+3)+11=-15х-3 -8х-12+11=-15х-3 -8х -1= -15х -3 -8х +15х= 1-3 7х =-2 х =-2÷7 х =-2/7
-4(2х+3)+11=-15х-3 -8х-12+11=-15х-3 -8х-1=-15х-3 -8х+15х=-3+1 7х=-2 Х=-2 ..... 7