Question

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

Answer 1

$\left \{ {{3x\ \textless \ 9} \atop {2x+5 \geq 0}} \right.$


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