#### Answer

$t=-3$

#### Work Step by Step

$-30=t+9t\rightarrow$ combine like terms
$-30=10t\rightarrow$ divide both sides by 10
$-30\div10=10t\div10\rightarrow$ simplify
$-3=t$

Published by
Pearson

ISBN 10:
0321955048

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

$t=-3$

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