Verified answer

Ответ: система неравенств решения не имеет.

Объяснение:

[tex]\displaystyle\\\left \{ {{4*(x+1)\geq 3*(x+3)-x} \atop {2*(2x-1)\geq 7*(x+1)}} \right.\ \ \ \ \left \{ {{4x+4\geq 3x+9-x} \atop {4x-2\geq 7x+7}} \right. \\\\\\\left \{ {{2x\geq 5\ |:2} \atop {3x\leq -9\ |:3}} \right. \ \ \ \ \ \ \left \{ {{x\geq 2,5} \atop {x\leq -3}} \right. \ \ \ \ \ \ \Rightarrow\ \ \ \ x\in \varnothing.[/tex]