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2014-11-09T10:12:49+02:00
X = numarul
(3x-7)/11-2=5 aducem la acelasi numitor adica 11
3x-7-2*11=5*11
3x-7-22=55
3x=55+7+22
3x=84
x=84/3
x=28

6 5 6