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rezolvati in Z inecuatiile:
5x+3≤2(2x-7)+x+17


Răspuns :

5x+3≤4x-14+x+17
5x+3≤5x+3
5x-5x≤3-3
0≤0 ceea ce inseamna ca inecuatia se verifica ptr ∀ x∈Z