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17-06-2018
Mathematics

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If the denominator of 7 12 is increased by a number and the numerator of the fraction is doubled, the result is 1. find the number.

Respuesta :

17-06-2018

[tex]\frac{7*2}{12+x} = 1 \rightarrow 12+x = 14 \rightarrow x=2[/tex]

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