Помогите!!!!!!!!!!!?!??!!!!

Question

Помогите!!!!!!!!!!!?!??!!!!

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Answer 1

||x|-2|=5
1)|x|-2=5
|x|=7
x=7,-7.
2)|x|-2=-5
|x|=-3
∅.
Ответ: +7,-7.

Answer 2

||x|-2=5
|x|-2=5 U |x|-2=-5
|x|=5+2 U |x|=-5+2
|x|=7 U |x|=-3-нет решения
x=-7 U x=7
Ответ х=-7,х=7