Prealgebra (7th Edition)

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

Chapter 2 - Section 2.6 - Solving Equations: The Addition and Multiplication Properties - Exercise Set - Page 148: 13



Work Step by Step

$7=y-2$ $\longrightarrow$ addition property $7+2=y-2+2$ $\longrightarrow$ simplify $9=y$ Substitute to check. $7=9-2$ $7=7 \checkmark$
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