[tex]\displaystyle\bf\\\left \{ {{2(1-x)-x\geq 8} \atop {3x-1\geq 0}} \right. \\\\\\\left \{ {{2-2x-x\geq 8} \atop {3x\geq 1}} \right. \\\\\\\left \{ {{-3x\geq 6} \atop {x\geq \dfrac{1}{3} }} \right. \\\\\\\left \{ {{x\leq -2} \atop {x\geq \dfrac{1}{3} }} \right. \\\\\\Otvet \ : \ x\in \oslash[/tex]