3×(5x+2)=7-(11-13x) помогите
15х+6=7-11+13х 15х-13х=7-11-6 2х=-10 х=-5
3*(5х+2)=7-(11-13х) 15х+6=7-11+13х 15х-13х=7-11-6 2х=-10 х=-5