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Fie multimeaA= { x apartine R/ |2x-4| < 6} Determinati multimea A (calcul compet) Ajutor, urgent!!!!!!!!!!!

Răspuns :

-6< 2x-4<6 /+4

-2<2x<10 /:2

-1<x<5⇒ x∈(-1;5)⇒ A= (-1;5)