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REZOLVATI IN R ECUATIA

{3(x-4)<-3
{5-2x>1


Răspuns :

3x-12<-3⇒3x<9⇒x<3
5-2x>1⇒-2x>-4⇒2x<4⇒x<2
x∈(-∞,2) sau x∈{...-1,0,1}