Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Exercise Set: 110

Answer

$-9z+20$

Work Step by Step

$-6z+20-3z=-6z-3z+20=(-6-3)z+20=(-9)z+20=-9z+20$
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