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
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 4 - Cumulative Review Exercises - Page 340: 4
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