Answer
$n=-1$
$m=1$
Work Step by Step
Substitue $m=7n+8$
$3(7n+8)+2n=1$
$23n=-23$
$n=-1$
Then substitue $n=-1$
$m=7(-1)+8= 1$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1-4 - Cumulative Review - Page 408: 16
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