Solve the proportion to determine the value of x. 5x−4/4x+7 = 13/11

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asked Oct 26, 2016 30.2k views

5 votes

Solve the proportion to determine the value of x. 5x−4/4x+7 = 13/11

Mathematics
high-school

Abhi asked

by Abhi

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1 Answer

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$(5x-4)/(4x+7)=(13)/(11) \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\hbox{cross multiply} \\ 11(5x-4)=13(4x+7) \\ 55x-44=52x+91 \\ 55x-52x=91+44 \\ 3x=135 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |/ 3 \\ x=45$

Ozkriff answered Nov 1, 2016

by Ozkriff

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