Introductory Algebra for College Students (7th Edition)

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

Chapter 2 - Section 2.1 - The Addition Property of Equality - Exercise Set: 14

Answer

z=-28

Work Step by Step

Subtract 13 from both sides to isolate the variable. z+13=-15 z=-15-13 z=-28 Check the answer. (-28)+13=-15 -15=-15
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