A 12-foot board is to be cut into 5 pieces. Four of the pieces will be the same length and one piece will be 2 feet longer than the other four.

Which equation could be used to solve for the lengths?

A)x + x + x + x + 2x = 12
B)x + x + x + x + x - 2 = 12
C)x + x + x + x + x = 12 + 2
D)x + x + x + x + x + 2 = 12