Question

plis imi spuneti cum se rezolva :14-x =x-14;4-2x=5;6x+7=4x-9;-2x=16 repede pliz si eu va voi ajuta 

Answer 1

14-x=x-14
-x-x=-14-14
-2x=-28     (-1)
x=28/2
x=14

4-2x=5
-2x=5-4
-2x=1       (-1)
x=-1/2

6x+7=4x-9
6x-4x=-9-7
2x=-16
x=-16/2
x=-8

-2x=16
-x=16/2     (-1)
x=-8