Question

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Answer 1

$\displaystyle\bf\\1)\\\\\left \{ {{3x-4\geq 5} \atop {2x+5<17}} \right.\\\\\\\left \{ {{3x\geq 5+4} \atop {2x<17-5}} \right.\\\\\\\left \{ {{3x\geq 9} \atop {2x<12}} \right. \\\\\\\left \{ {{x\geq 3} \atop {x<6}} \right. \\\\\\Otvet:x\in\Big[3 \ ; \ 6\Big)\\\\\\2)\\\\\left \{ {{4x-5\geq 11} \atop {3x+2<20}} \right. \\\\\\\left \{ {{4x\geq 11+5} \atop {3x<20-2}} \right. \\\\\\\left \{ {{4x\geq 16} \atop {3x<18}} \right. \\\\\\\left \{ {{x\geq 4} \atop {x<6}} \right.$

$\displaystyle\bf\\Otvet:x\in\Big[4 \ ; \ 6\Big)$