The steps below show the incomplete solution to find the value of y for the equation 4y − 2y − 4 = −1 + 13:

step 1: 4y − 2y − 4 = −1 + 13
step 2: 4y − 2y − 4 = 12
step 3: 2y − 4 = 12

which of these is most likely the next step?

2y = 3
2y = 8
2y = 16
2y = 18