The steps below show the incomplete solution to find the value of x for the equation

5x − 2x − 3 = −2 + 15:

Step 1: 5x − 2x − 3 = −2 + 15
Step 2: 5x − 2x − 3 = 13
Step 3: 3x − 3 = 13

Which of these is most likely the next step? (4 points)

3x = 16

3x = 10

3x = 39

3x = 3