#### Answer

$m=-4$

#### Work Step by Step

$-7m+20=48$
$-7m=28$
$m=-4$

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$m=-4$

$-7m+20=48$
$-7m=28$
$m=-4$

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