#### Answer

$x=-10.6$

#### Work Step by Step

Adding $
-2.8
$ to both sides of the given equation, $
-7.8=2.8+x
$, then,
\begin{array}{l}
-7.8-2.8=2.8+x-2.8
\\\\
-10.6=x
\\\\
x=-10.6
.\end{array}

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$x=-10.6$

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