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 - Exercise Set - Page 181: 109



Work Step by Step

$|-13|+32=100y-|-20|-99y\rightarrow$ resolve absolute values $13+32=100y-20-99y\rightarrow$ combine like terms $45=y-20\rightarrow$ add 20 to both sides $45+20=y-20+20\rightarrow$ simplify $65=y$
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