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Rezolvati in multimea numerelor intregi ecuatia:

5(x+2)+12(y-3)=3(x+2)(y-3)


Răspuns :

5x+10+12y-63=3(xy-3x+2y-6)
5x+12y-53=3xy-9x+6y-18
5x+12y-3xy+9x-6y=-18+53
-3xy+14x+6y=34