Răspunsuri

2014-04-04T17:52:53+03:00
3(x - 1) + 2 = 2x + 3 => 3x - 3 + 2 = 2x + 3 => 3x - 1 = 2x + 3 => x = 4
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2014-04-04T17:58:39+03:00