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-3x+3+4=6x-6-5.
Ahora trasladamos todas las x a la izquierda.
-3x-6x= -6-5-3-4
-9x= -18
x= -18/-9=2
-3x+3+4=6x-6-5
-3x+7=6x-11
7+11=6x+3x
18=9x
18/9= x
2=x