8х++3(7-2х)=4х+3 23-4(3х+8)=1-17х как решит

Question

8х++3(7-2х)=4х+3
23-4(3х+8)=1-17х как решит

Answer 1

8х+3(7-2х)=4х+3
8х+21-6х=4х+3
8х-6х-4х=3-21
-2х=-18
х=9

23-4(3х+8)=1-17х
23-12х-32=1-17х
17х-12х=1+32-23
5х=10
х=2