Question

Решите систему неравенств :{2x + 1 < 5x - 11 3 (x + 2) _< 4x + 3​

Answer 1

$\left \{ {{2x+1$

$\left \{ {{2x-5x$

$\left \{ {{-3x$

$\left \{ {{-3x$

$\left \{ {{-3x:(-3)-12:(-3)} \atop {-x:(-1)\geq -3:(-1)}} \right.$

$\left \{ {{x4} \atop {x3}} \right.$

_______________________4//////////////////////////////////////       $x4$

____________,3\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\    $x\geq 3$

Общее решение:     $x4$

ответ:  (4;    +∞)