Monique434 Monique434
  • 10-07-2015
  • Mathematics
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Solve the proportion to determine the value of x. 5x−4/4x+7 = 13/11

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  • 10-07-2015
[tex]\frac{5x-4}{4x+7}=\frac{13}{11} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\hbox{cross multiply} \\ 11(5x-4)=13(4x+7) \\ 55x-44=52x+91 \\ 55x-52x=91+44 \\ 3x=135 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\div 3 \\ x=45[/tex]
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