Question

решите уравнение 3(х-2)-5(х+1)=5х-32

Answer 1

3(х-2)-5(х+1)=5х-32     3х-6-5х-5-5х+32=0      -7х+21=0 / *(-1)          7х-21=0   7х=21   х=3

Answer 2

3(х-2)-5(х+1)=5х-32
3х-6-5х-5=5х-32
-2х-11=5х-32
5х+2х=32-11
7х=21
х=21:7
х=3