Answer
$n=5.5$
Work Step by Step
Adding 10 to each side gives $4n=22$.
We then divide both sides by 4 to get $m=5.5$
Plugging 5.5 back in gives,
$4*5.5-10=12$ or $12=12$ which is true.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.3 Solve Linear Equations - 1.3 Exercises - Skill Practice - Page 21: 12
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