Решите следующие системы неравенств:

Решите задачу:

$1.\quad \left \{ {{4x \geq 3} \atop {x \geq 2}} \right. \; \left \{ {{x \geq \frac{3}{4}} \atop {x \geq 2}} \right. \; x \geq 2\\\\2,\quad \left \{ {{-3x+4 \geq 7} \atop {4x+3<2}} \right. \; \left \{ {{-3x \geq 3} \atop {4x<-1}} \right. \; \left \{ {{x \leq -1} \atop {x<\frac{-1}{4}}} \right. \; x \leq -1$