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Tavy0684
a fost răspuns

Rezolvati in multimea numerelor intregi ecuatiile:
a) |2x-8|+|5y-40|=0
b) |7x-21|+|2y-8|=0
c) |4x-12|+|2y-11|=0
d) |4x-12|+|5y-10|+|3z-3|=0​