3x-5=4x+1
3x-5-4х-1=0
-х-6=0
-х=6
х=-6
2(x+7)=9-2x
2х+14=9-2х
2х+14-9+2х=0
4х+5=0
4х=-5
х=-1,25
3х-4х=1+5
-1х=6
2х+2х=9-14
4х=5
х=1,25
3x-5=4x+1
3x-5-4х-1=0
-х-6=0
-х=6
х=-6
2(x+7)=9-2x
2х+14=9-2х
2х+14-9+2х=0
4х+5=0
4х=-5
х=-1,25
3х-4х=1+5
-1х=6
х=-6
2х+14=9-2х
2х+2х=9-14
4х=5
х=1,25