The sum of two integers is two times their difference. Which of the following algebraic equations demonstrates this? A) (x + y) = 2(x - y) B) (x + y) = (x - y) + 2 C) (x + y) = (x - y) - 2 D) 2(x + y) = 2(x - y) E) 2(x + y) = (x - y)