решите систему линейных неравенств
3x-9<0
2x+5>=0

[tex] \left \{ {{3x\ \textless \ 9} \atop {2x+5 \geq 0}} \right. [/tex]


[tex] \left \{{{x\ \textless \ 3} \atop {x \geq -2,5}} \right. [/tex]
x∈[-2,5;3)