How do you solve $(4-f)/5=(f+1)/3$ ?

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How do you solve $(4-f)/5=(f+1)/3$ ?

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Answer 1 · 2016-07-12T20:47:25

$f = 7/8$

Explanation:

This problem is simply a matter of rearranging terms and is solved as such:
$(4-f)/5=(f+1)/3$
$3(4-f) = 5(f+1)$
$12-3f = 5f + 5$
$12 - 5 = 5f + 3f$
$7 = 8f$
$f = 7/8$

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How do you solve $(4-f)/5=(f+1)/3$ ?

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