1) 5x+3(3x+7)=35
5x+9x+7=35
14x=35-7
14x=28
х=28:14
х=2
2)2-3(х+2)=5-2х
2-3х-6=5-2х
2-6-5=2х+3х
-9=5х
х=-9:5
х=-1.8
1) 5x+3(3x+7)=35
5x+9x+7=35
14x=35-7
14x=28
х=28:14
х=2
2)2-3(х+2)=5-2х
2-3х-6=5-2х
2-6-5=2х+3х
-9=5х
х=-9:5
х=-1.8