--6x+4=--8uuuuuuuuuuuuuuu

Răspuns :

- 6X + 4 = - 8

6X = 8 + 4

6X = 12

X = 2

-6x+4= -8

-6x= -8-4

-6x= -12

x= -12/-6

x= 2