Question

решите системное уравнение

Answer 1

$\sf\displaystyle \left \{ {{6x+1 \geq -5} \atop {4x-2<10}} \right. \left \{ {{6x \geq -6} \atop {4x<12}} \right. \left { {{|:6} \atop {|:4}} \right. \left \{ {{x \geq -1} \atop {x<3}} \right. \left \{ {{---[-1]+++++++>x} \atop {--------(3)++>x}} \right. \Rightarrow\\ \\ \Rightarrow x \in [-1;3)$