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: 36

Answer

x=81

Work Step by Step

$\frac{x}{-9}=-9$ $\longrightarrow$ multiplication property $\frac{x}{-9}\times-9=-9\times-9$ $\longrightarrow$ simplify $x=81$ Substitute to check. $\frac{81}{-9}=-9$ $-9=-9\checkmark$
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