Question

-5x+9=2x+3 помогитеееее!!!!!!!!!!!!
3x+4= -x-12

Answer 1

-5х-2х=3-9
-7х=-7
х=1

3х+х= -4-12
4х=-16
х=-4

Answer 2

-5х-2х=3-9
-7х=-6
7х=6

3х+х= -4-12
4х=-16
х=-4

Answer 3

-5х - 2х=3-9
-7 х= -6 
х = 6/7

3х+ х= -12-4
4х= -16
х= -4