Colton solved an equation incorrectly, as shown below:

Step 1: x – 13 = 26

Step 2: x = 26 – 13

Step 3: x = 39

Which statement best explains why Step 2 is incorrect in Colton's solution? 

A He did not subtract 13 from 26.

B He did not multiply 26 by 13.

C He did not add 13 to 26.

D He did not divide 26 by 13.