#### Answer

x=20

#### Work Step by Step

$\frac{x}{4}$-1=$\frac{x}{5}$
20($\frac{x}{4}$-1)=20($\frac{x}{5}$)
$\frac{20x}{4}$-20=$\frac{20x}{5}$
5x-20=4x
5x-20+20=4x+20
5x=4x+20
5x-4x=20
x=20

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

x=20

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