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: 12



Work Step by Step

$s-7=-15$ $\longrightarrow$ addition property $s-7+7=-15+7$ $\longrightarrow$ simplify $s=-8$ Substitute to check. $-8-7=-15$ $-15=-15\checkmark$
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