Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - 6.1 Exercises: 53

Answer

-1

Work Step by Step

$\frac{7-b}{b-7}=\frac{7-b}{-(7-b)}=\frac{1}{-1}\times\frac{7-b}{7-b}=-1\times1=-1$
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