Basic College Mathematics (9th Edition)

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

Chapter 9 - Basic Algebra - 9.5 Evaluating Expressions and Formulas - 9.5 Exercises: 21

Answer

28

Work Step by Step

-c - 5b =-(-8) – 5(-4) (c is -8, b is -4) = 8 – (-20) (Change subtraction to addition (-8) to 8) = 8 + 20 (Change subtraction to addition (-20) to 20) = 28
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