Răspuns :
2x=-7
x=-7/2
-3x=5
x=-5/3
-6x=-15
x=15/6
x=5/2
-4x=12
x=12/4
x=3
-8x=0
x=o
14x=-21
x=-21/7
x=-3
x=-7/2
-3x=5
x=-5/3
-6x=-15
x=15/6
x=5/2
-4x=12
x=12/4
x=3
-8x=0
x=o
14x=-21
x=-21/7
x=-3