Question

| x | = 3
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5
va rog ajutati-ma

Answer 1

|x|=3-5=>|x|=-2=>x∈Ф

Daca ai asa:

|x|
--- =3 =>|x|=3*5=>|x|=15=>x=$\left \{ {x=-15} \atop {x=15}} \right.$
5