#### Answer

x = -20

#### Work Step by Step

1. Given: $\frac{x}{5} - \frac{x}{4}$ = 1
2. Multiply both sides by Least Common Denominator:
20($\frac{x}{5} - \frac{x}{4}$) = 1(20)
3. Distribute: 4x - 5x = 20
4. Simplify: -x = 20
x = -20

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

x = -20

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