4х+5(3-2х)=5-11х; 4х+15-10х=5-11х; 4х-10х+11х=5-15; 5х=-10; х=-10:5; х=-2
19-2(3х+8)=2х-37; 19-6х-16=2х-37; 19-16+37=2х+6х; 40=8х; 40:8=х; х=5
4х+5(3-2х)=5-11х; 4х+15-10х=5-11х; 4х-10х+11х=5-15; 5х=-10; х=-10:5; х=-2
19-2(3х+8)=2х-37; 19-6х-16=2х-37; 19-16+37=2х+6х; 40=8х; 40:8=х; х=5