Ответ:
\frac{14}{-2} } \atop {x\leq \frac{-15}{5} }} \right." alt="\left \{ {{x>\frac{14}{-2} } \atop {x\leq \frac{-15}{5} }} \right." align="absmiddle" class="latex-formula">-7} \atop {x\leq -3}} \right." alt="\left \{ {{x>-7} \atop {x\leq -3}} \right." align="absmiddle" class="latex-formula">
-7+(-3)=-10
-13} \atop {-5x\geq-15 }} \right." alt="\left \{ {{-2x-5>-13} \atop {-5x\geq-15 }} \right." align="absmiddle" class="latex-formula">-13+5} \atop {-5x\geq-15 }} \right." alt="\left \{ {{-2x>-13+5} \atop {-5x\geq-15 }} \right." align="absmiddle" class="latex-formula">-8} \atop {-5x\geq -15}} \right." alt="\left \{ {{-2x>-8} \atop {-5x\geq -15}} \right." align="absmiddle" class="latex-formula">
4+3=7
Объяснение: