11+3x=64+4x
2(3+2x)=4(3-2x)+24
8(1-0,5x)=-6(9-2x)

1. 11+3х=64+4х, 3х-4х=64-11, -ю=53, |•(-1) х=-53.2. 2(3+2х)=4(3-2х)+24, 6+4х=12-8х+24, 4х+8х=12+24-6, 12х=30, х=30\12=5\2.3. 8(1-0,5х)=-6(9-2х), 8-4х=-54+12х, -4х-12х=-54-8, -16х= -62, х=-62\-16= 31\8=3|7\8.