Sue solved an equation incorrectly, as shown below:

Step 1: 7x = 28
Step 2: x = 28 − 7
Step 3: x = 21

Which statement best explains why Step 2 is incorrect in Sue's solution? (1 point)

She did not multiply 28 seven times.

She did not divide 28 by 7.

She did not multiply 28 by 7.

She did not add 7 to 28.