Răspunsuri

2014-11-13T17:57:07+02:00
2014-11-13T17:57:10+02:00
238 - 5 x + 5 = 193 => 238 - 193 = 5x - 5 => 45 = 5x - 5 => 5x = 50 => x = 10
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