Question

решите систему неравенств.
помогите пж.
даю 15 баллов.
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Answer 1

$\left \{ {{-2x\leq 3} \atop {x\leq 3}} \right. \\\\\left \{ {{x\geq \frac{3}{2} } \atop {x\leq 3}} \right.$

_________

$\left \{ {{4-5x>-1} \atop {\frac{1}{6}x>2 }} \right. \\\\\left \{ {{x<1} \atop {x<12}} \right.$

_________

$\left \{ {{9x>0} \atop {\frac{1}{7}x\geq -1 }} \right. \\\\\left \{ {{x>0} \atop {x\geq -7}} \right.$