Question

$left { {{3x+5 geq- 4} atop {5-x geq 2}} right.$

Answer 1

$left { {{3x+5 geq- 4} atop {5-x geq 2}} right. \ left { {{3x geq- 9} atop {-x geq -3}} right. \ left { {{x geq- 3} atop {x leq 3}} right. \ -3 leq x leq 3$
Ответ: -3≤х≤3