30 POINTS!!!!!!!!!!!
Which equation has infinitely many solutions?
A. 3x - 2 = 2 - 3x
B. x + 3x + 6 = 6 + 4x
C. 2x + 7x - 5 = -9x + 5
D. 4x - 5x + 3 = -5x + 4x -3