-Решите уравнения! 2)19-2(3х+8)=2х-37 3)8Х+3(7-2х)=4х+3 4)23-4(3х+8)=1-17х

Question

-Решите уравнения!
2)19-2(3х+8)=2х-37
3)8Х+3(7-2х)=4х+3
4)23-4(3х+8)=1-17х

Answer 1

1) 19-2(3х+8)=2х-37
19-6х-16-2х=-37
-8х=-37-19+16
-8х=-40
х=5
2) 8х+3(7-2х)=4х+3
8х+21-6х=4х+3
2х-4х=3-21
-2х=-18
х=9
3)23-4(3х+8)=1-17х
23-12х-32=1-17х
-12х+17х=1+9
5х=10
х=2