25-(7-2х)=5х 3*(2х-9)=5*(х-4) 5-3х=2х-8 7*(3-2х)=15*(1-х) 2х+40=х+14 7х-(3+2х)=х+9...

Question

25-(7-2х)=5х
3*(2х-9)=5*(х-4)
5-3х=2х-8
7*(3-2х)=15*(1-х)
2х+40=х+14
7х-(3+2х)=х+9
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Answer 1

25-(7-2х)=5х
25-7+2х-5х=0
18-3х=0
-3х=-18
х=6