Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Exercise Set - Page 180: 49



Work Step by Step

$3w-12w=-27\rightarrow$ combine like terms $-9w=-27\rightarrow$ divide both sides by -9 $-9w\div-9=-27\div-9\rightarrow$ simplify $w=3$
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