Answer
$w=-30$
Work Step by Step
$7(6+w)=6(2+w)$ $\longrightarrow$distributive property
$42+7w=12+6w$ $\longrightarrow$addition property
$42+7w-42-6w=12+6w-42-6w$ $\longrightarrow$simplify
$w=-30$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 63
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