Question

Помогите пожалуйста с 3 и 4 заданием​

Answer 1

$1) \ \displayystyle\bf\\x-2\dfrac{1}{3} \geq 0\\\\x\geq 2\dfrac{1}{3} \\\\x\in\Big[2\dfrac{1}{3} \ ; \ +\infty\Big)\\\\\\2) \ \displaystyle\bf\\\left \{ {{-2x\geq 0} \atop {3x>-5}} \right. \\\\\left \{ {{x\leq 0} \atop {x>-1\dfrac{2}{3} }} \right.\\\\\\x\in\Big(-1\dfrac{2}{3} \ ; \ 0\Big]$