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8-2*(x-3)=4x-4
x=?
..............


Răspuns :

8-2x+6=4x-4
8+6+4=4x+2x
6x=18
x=3
8-2x+6=4x-4
14-2x=4x-4
-2x-4x=-4-14
-6x=-18
x=3