a)x= 0 => (2x-2)+(3x+6)= 5x+4
2x-2+3x+6=5x+4
2x+3x-5x=
=2-6+4=0 (sunt termeni asemenea si se reduc)
b)x= 7/8 => 6-3(2-x)+4x=7-x
6-6+3x+4x=7-x
3x+4x+x=7-6+6 (6 si -6 se reduc)
8x=7 si x=7/8
d)x=6/11 => 5+7(1-x)-5x=x-8
5+7-7x-5x=x-8
-7x-5x-x=-8-5-7
-11x= - 6 si x=6/11