Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix D - Exercise Set: 24

Answer

z=0

Work Step by Step

$\mid7z\mid$=0 The absolute value does not change the result because +0 or -0 is the same z=0
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