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determinat i numerele intregi x care verifica simultan inecuatiile:3x+6>0 si -2x+2> sau egal cu 0.

Răspuns :

3x+6>0 => 3x>-6|:3 => x>-2 x apartine multimii (-1,0,1,2...)

-2x+2>= 0 => -2x>= -2|:(-2) => x< =1..x apartine multimii (1,0,-1,-2...)