Which system of equations has infinitely many solutions?
please help!!!

Answer:
D.
2y = 3x + 6
4y = 6x + 12
Step-by-step explanation:
2y = 3x + 6
4y = 6x + 12
multiply first one by -2 to combine the two equations
-4y = -6x -12
4y = 6x + 12
------------------
0 = 0
infinite solution