Answer
b=20
Work Step by Step
$\frac{4(5)-b}{5-5}$=3
20-b=15-15
b=20
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.2 - Page 121: 130
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