Question

Решите неравенство: !11+x! меньше 5​

Answer 1

$|11+x|<5\\\\\left \{ {{11+x<5} \atop {11+x>-5}} \right. \\\\\left \{ {{x<5-11} \atop {x>-5-11}} \right. \\\\\left \{ {{x<-6} \atop {x>-16}} \right. \\\\Otvet:\boxed{x\in(-16 \ ; \ -6)}$