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Cel mai inteligent răspuns!
2014-10-20T20:36:39+03:00
10/3x-7/5=-11/5x+1/3 aducem la acelasi numitor
(50-21x)/15x=(-33+5x)/15x        *15x
50-21x=-33+5x
-21x-5x=-33-50
-26x=-83    (-1)
x=83/26

1 5 1