Answer
The digital camera’s price before the reduction was $320.
Work Step by Step
$x-0.2x=256$
Combine like terms,
$\begin{align}
& x-0.2x=256~~ \\
& \left( 1-0.2 \right)x=256 \\
& 0.8x=256
\end{align}$
And divide by 0.8,
So, $x=320$
Thus, the digital camera’s price before the reduction was $320.
