Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Vocabulary, Readiness & Video Check - Page 179: 12



Work Step by Step

$20-22=\frac{z}{-4}$ $\longrightarrow$ simplify $-2=\frac{z}{-4}$ $\longrightarrow$ multiplication property $-2\times-4=\frac{z}{-4}\times-4$ $\longrightarrow$ simplify $8=z$
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