#### Answer

Doesn’t have any real $x$.

#### Work Step by Step

$\left( \dfrac {1}{2}\right) ^{x}+2=0\Rightarrow \left( \dfrac {1}{2}\right) ^{x}=-2\Rightarrow x=\log _{\dfrac {1}{2}}\left( -2\right) $
This equation doesn’t have any real solution

Published by
Pearson

ISBN 10:
013421742X

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

Doesn’t have any real $x$.

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