#### Answer

$n=-6$

#### Work Step by Step

$n+18=10-(-2)$ $\longrightarrow$combine like terms
$n+18=12$ $\longrightarrow$addition property
$n+18-18=12-18$combine like terms
$n=-6$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$n=-6$

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