Ответ:
1)
2) -3" alt="x>-3" align="absmiddle" class="latex-formula">
Пошаговое объяснение:
1)
2)
9-2x} \atop {3(x+4)\geq x+5}} \right. \\\left \{ {{3x+24>9-2x} \atop {3x+12\geq x+5}} \right. \\\left \{ {{3x+2x>9-24} \atop {3x-x\geq 5-12}} \right. \\\left \{ {{5x>-15} \atop {2x\geq -7}} \right. \\\left \{ {{x>-3} \atop {x\geq -3,5}} \right. \\x>-3" alt="\left \{ {{3(x+8)>9-2x} \atop {3(x+4)\geq x+5}} \right. \\\left \{ {{3x+24>9-2x} \atop {3x+12\geq x+5}} \right. \\\left \{ {{3x+2x>9-24} \atop {3x-x\geq 5-12}} \right. \\\left \{ {{5x>-15} \atop {2x\geq -7}} \right. \\\left \{ {{x>-3} \atop {x\geq -3,5}} \right. \\x>-3" align="absmiddle" class="latex-formula">