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9/(x - 8) = 4/5 how to solve this proportion
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9/(x - 8) = 4/5 how to solve this proportion

User LEJ
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1 Answer

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(9)/(x-8)=(4)/(5)
Cross multiply:

(9)(5)=(4)(x-8)
Simplify:

45=4x-32
Group like terms:

77=4x
Solve for x by division:

x=(77)/(4)

x=19.25
User Johnpatrickmorgan
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