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 149: 21



Work Step by Step

$\frac{n}{7}=-2$ $\longrightarrow$ multiplication property $\frac{n}{7}\times7=-2\times7$ $\longrightarrow$ simplify $n=-14$ Substitute to check. $\frac{-14}{7}=-2$ $-2=-2\checkmark$
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