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2014-03-31T15:40:28+03:00
4x+5/14+2x-6/6=12x-44/21+9/14           aducem la acelasi numitor si avem    12x+15+14x-42=24x-88+27        12x+14x-24x=-88+27-15+42       2x=-34     x=-34/2=>x=-17