−x + y = 2 2x + 4y = 32 What action was completed to create this new equivalent system of equations? −x + y = 2 x + 2y = 16

A. Divide the second equation, 2x + 4y = 32, by 2.
B. Divide the first equation, −x + y = 2, by 2.
C. Multiply the second equation, 2x + 4y = 32, by −1.
D.Multiply the first equation, −x + y = 2, by −1.