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: 8



Work Step by Step

$100=15y+5y$ $\longrightarrow$ simplify $100=20y$ $\longrightarrow$ multiplication property $100\div20=20y\div20$ $\longrightarrow$ simplify $5=y$
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