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.
$\frac{81}{-9}=-9$
$-9=-9\checkmark$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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: 36
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