Basic College Mathematics (9th Edition)

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

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises: 20

Answer

$z=5$

Work Step by Step

$12=z+7$ Subtract 7 from both sides. $12-7=z+7-7$ $5=z+0$ $z=5$
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