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2:(3•X+5) +4= 54
AJUTOR !!
DAU COROANA !!!!


Răspuns :

2:(3*x+5)=54-4 =>2:(3*X+5)=50=> 3*X+5=50*2 => 3*X+5=100 => 3*X=100-5 => 3*X=95 =>X=95:3 =>X=31,(6)