jparks181 jparks181

05-08-2015
Mathematics

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Solve the proportion to determine the value of x.

5x-4 / 4x+7 = 13 / 11

Respuesta :

05-08-2015

[tex] \frac{5x-4}{4x+7} = \frac{13}{11} \\ 11(5x-4)=13(4x+7) \\ 55x-44=52x+91 \\ 55x-52x=91+44 \\ 3x=135 \\ x=45[/tex]

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