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: 24

Answer

-4

Work Step by Step

-4x - y =-4(3) – (-8) (x is 3, y is -8) = - (12) + 8 (Change subtraction to addition (-8) to 8) = -12 + 8 = -4
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