Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.7 - Multiplication and Division of Real Numbers - Exercise Set - Page 85: 100



Work Step by Step

Substitute -5 into the equation for the variable and then simplify to see if the equation is true or false. -4y+21=-7y+15 -4(-2)+21=-7(-2)+15 8+21=14+15 29=29 This is a solution.
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