Which line shows the first error in the solution?

A number divided by 3 is four more than -11. What is the number?

x/ + 4 = -11 (1)
x/3 + 4 -4 = -11 -4 (2)
x/3 = -15 (3)
x/3 x 3 = -15 x 3 (4)
x = -45 (5)

A. Line

B. Line 3

C. Line 4

D. Line 2