Решите уравнение, пожалуйста?
1) 2х+8=5х-18+х+1
2)5(х+4)=3(х+3)
3)6х+6=3х-4(х-2)
1) 2х+8=5х-18+х+1
2)5(х+4)=3(х+3)
3)6х+6=3х-4(х-2)
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Answers & Comments
1) 2х+8=5х-18+х+1
2х-5х-х=-18+1-8
-4х=-25
х=6,25
2)5(х+4)=3(х+3)
5х+20=3х+9
5х-3х=9-20
2х=-11
х=-5,5
3)6х+6=3х-4(х-2)
6х+6=3х-4х+8
6х-3х+4х=8-6
7х=2
х=0,2