4x-8} \atop {10+4x>0}} \right.\\\\\left \{ {{2x-4x>-8-7} \atop {4x>-10}} \right.\\\\\left \{ {{-2x>-15} \atop {x>-2,5}} \right.\\\\\left \{ {{x<7,5} \atop {x>-2,5}} \right." alt="\left \{ {{2x+7>4x-8} \atop {10+4x>0}} \right.\\\\\left \{ {{2x-4x>-8-7} \atop {4x>-10}} \right.\\\\\left \{ {{-2x>-15} \atop {x>-2,5}} \right.\\\\\left \{ {{x<7,5} \atop {x>-2,5}} \right." align="absmiddle" class="latex-formula">
Ответ : x ∈ ( - 2,5 ; 7,5)