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2014-08-11T15:16:27+03:00
2x + 26-2/90 supra 2 = 1 intreg 3/9 =>
2x + 24/90 * 1/2 = 1 intreg 1/3 =>
2x +12/90 = 4/3 | : 2 =>
x + 6/90 = 2/3 => ( simplificam 6/90 cu 6 )
x = 2/3 - 1/ 15 => (amplificam 2/3 cu 5 )
x = 10/15 - 1/15 =>
x = 9/15 => (simplificam prin 3)
x = 3/5
2 5 2