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Cel mai inteligent răspuns!
2014-09-05T16:26:29+03:00
2/3-x+1/2=5-4-x/2, aducem la acelasi numitor (6)
4-6x+3= 30-24-3x
-6x+3x=30-24-4-3 
-3x= -1 
⇒ x= 1/3 

1 5 1