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: 44



Work Step by Step

$-81=27x$ $\longrightarrow$ multiplication property $-81\div27=27x\div27$ $\longrightarrow$ simplify $-3=x$ Substitute to check. $-81=27(-3)$ $-81=-81\checkmark$
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