The area of a rectangular plot 24 feet long and 16 feet wide will be doubled by adding an equal width to each side of the plot. Which equation can be used to find this added width?
(2x + 24)(2x + 16) = 768
(x + 24)(x + 16) = 384
(x + 24)(x + 16) = 768
(2x + 24)(2x + 16) = 384