18-16x=-30x-10
14x=-28
x=-2
-7x+2=3x-1
-10x=-3
x=0.3
13/18x+13=7/12x+8
26/36x+13=21/36x+8
5/36x=-5
x=-36
18-16x=-30x-10
14x=-28
x=-2
-7x+2=3x-1
-10x=-3
x=0.3
13/18x+13=7/12x+8
26/36x+13=21/36x+8
5/36x=-5
x=-36
-16х+30х=-10-18
14х=-28
Х=-2
2.
-7х-3х=-1-2
-4х=-3
Х=0’75