Which of the following equations has no real solutions?
A5x - 8 = 5x - 8
B5x - 8 = 40x - 8
C5(x - 8) = 5x - 40
D5(x + 8) = 5(x + 13)
A5x - 8 = 5x - 8
B5x - 8 = 40x - 8
C5(x - 8) = 5x - 40
D5(x + 8) = 5(x + 13)