Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - Chapter Test - Page 65: 11



Work Step by Step

Combining rational expressions gives: $\frac{5x}{x-4}+\frac{20}{4-x}=\frac{5x}{x-4}-\frac{20}{x-4}=\frac{5x-20}{x-4}=\frac{5(x-4)}{x-4}=5$
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