Question

Como calcular: 1/x + 1/x + 15 = 1/18

Answer 1

Primeiro determinar o mmc(x,1,18) = 18x 

18 + 18  + 18x * 15 = x 

36 + 270 x = x

270x - x = -36

269 x = -36

x = -36/269

x ≈ 1,1338

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11/04/2016
Sepauto - SSRC
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