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: 13

Answer

z=-20

Work Step by Step

Subtract 8 from both sides to isolate the variable. z+8=-12 z=-12-8 z=-20 Check the answer. (-20)+8=-12 -12=-12
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