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.