‘Mathnificent’ is a math tutoring service. The first year it was open, it had 5 students. If 3 new students enroll each year, which of the following equations represents how many students will be enrolled in x years?
A. y = 5x - 3
B. y = 5x + 3y
C. y = 3x - 5
D. y = 3x + 5