Question

1) 2x+15=3x-11 2) 7-5x=x-2 3) 2(x-3)=3(2-x) 4) -3(4-x)=2(x-5)

Answer 1

7-5х=х-2=
-5х-х=-2-7
-6х=-9
х=-9/-6
х=15

2(х-3)=3(2-х)
2х-6=6-3х
2х+3х=6+6
х=12/5
х=2.4

-3(4-х)=2(х-5)
-12+3х=2х-10
3х-2х=-10+12
х=2