Question

Помогите решить, у меня вообще не получается.
|2•||x-1|-2|-2|=2

Answer 1

$|2cdot |, |x-1|-2|, -2|=2; ; Rightarrow ; ; 2cdot |, |x-1|-2|-2=pm 2\\a); ; 2cdot |, |x-1|-2|-2=-2\\2cdot |, |x-1|-2|=0; ; to; ; |, |x-1|-2|=0; ; to ; ; |x-1|-2=0\\|x-1|=2; ; to ; x-1=pm 2; ; to ; ; left [ {{x-1=-2} atop {x-1=2}} right. ; left [ {{x=-1} atop {x=3}} right. \\b); ; 2cdot |, |x-1|-2|-2=+2\\2cdot |, |x-1|-2|=4$

$|, |x-1|-2|=2; ; to ; ; left [ {{|x-1|-2=-2} atop {|x-1|-2=2}} right. ; left [ {{|x-1|=0} atop {|x-1|=4}} right. ; left [ {{x-1=0} atop {x-1=-4; ili; x-1=4}} right. \\ left [ {{x=1} atop {x=-3; ili; x=5}} right. \\Otvet:; ; x=3; ,; x=-1; ,; x=-3; ,; x=1; ,; x=5; .$