Question

Решите неравенство 2|x|-x>=6
С решением

Answer 1

$2|x|-xgeq6, \ 2|x| geq x+6, \ left [ {{2x geq x+6,} atop {2x leq -x-6;}} right. left [ {{x geq 6,} atop {3x leq -6;}} right. left [ {{x geq 6,} atop {x leq -2;}} right. \ xin(-infty;-2]cup[6;+infty)$