Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises: 72

Answer

$b = 1$

Work Step by Step

$0 = -9(b-1)$ $-9(b-1) = 0$ $-9b + 9 = 0$ $-9b = -9$ $b = \frac{-9}{-9}$ $b = 1$
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