Question

Как решить?
|2x-11|>13

Answer 1

|2x-11|>13;   [2x-11>13;     [2x>24;   [x>12
                     [-(2x-11)>13; [2x<-2;   [x<-1
Ответ. (-∞;-1)∪(12;+∞)

Answer 2

$mathtt{|x-5,5| textgreater 6,5toleft[begin{array}{ccc}mathtt{x-5,5 textless -6,5}\mathtt{x-5,5 textgreater 6,5}end{array}righttoleft[begin{array}{ccc}mathtt{x textless -1}\mathtt{x textgreater 12}end{array}right}$