Question

СРОЧНО ДАЮ 50 БАЛЛОВ ​

Answer 1

$\displaystyle\bf\\1)\\\\\left \{ {{3x-9 < 0} \atop {5x+2 > 0}} \right. \\\\\\\left \{ {{3x < 9} \atop {5x > -2}} \right. \\\\\\\left \{ {{x < 3} \atop {x > -0,4}} \right.$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

________(- 0,4)__________(3)_________

                         ///////////////////////////////////////

$\displaystyle\bf\\Otvet: \ x\in\Big(-0,4 \ ; \ 3\Big)\\\\\\2)\\\\\left \{ {{15-x < 14} \atop {4-2x < 5}} \right. \\\\\\\left \{ {{-x < 14-15} \atop {-2x < 5-4}} \right. \\\\\\\left \{ {{-x < -1} \atop {-2x < 1}} \right. \\\\\\\left \{ {{x > 1} \atop {x > -0,5}} \right.$

                             \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

__________(- 0,5)___________(1)_________

                                                         \\\\\\\\\\\\\\\\\\\

$\displaystyle\bf\\Otvet: \ \Big(1 \ ; \ +\infty\Big)$