Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations by Graphing - Exercise Set: 58

Answer

$z=7$

Work Step by Step

$3z-(4z-2)=9$ $3z-4z+2=9$ $-z=7$ $z=7$
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