Sara owns a tree farm. Variety A of a pine tree is shipped to her at 12
12 inches tall and grows at a rate of
14
14 inches per year. Variety B of a pine tree is shipped to her at
2
2 inches tall and grows at a rate of
16
16 inches per year.

Which equation can be used to determine the number of years,
x
x, at which the trees will be an equal height?