#### Answer

$\dfrac {22}{5}=4.4$

#### Work Step by Step

$16^{x+4}=8^{3x-2}\Rightarrow \left( 2^{4}\right) ^{x+4}=\left( 2^{3}\right) ^{3x-2}\Rightarrow 2^{4x+16}=2^{9x-6}$
$4x+16=9x-6\Rightarrow 5x=22\Rightarrow x=\dfrac {22}{5}=4.4$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\dfrac {22}{5}=4.4$

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