[tex] \left \{ {{3x+2 \leq 4} \atop {3x+2 \geq -4}} \right. =\ \textgreater \ \left \{ {{3x \leq 2} \atop {3x \geq -6}} \right.=\ \textgreater \ \left \{ {{x \leq \frac{2}{3} } \atop {x \geq -2}} \right.
[/tex]
x apartine [tex](- infinit; -2]reuniune[ \frac{2}{3}, +infinit )[/tex]