3(x + 6) = 24

Step 1:	3x + 6 = 24
Step 2:	3x + 6 - 6 = 24 - 6
Step 3:	3x + 0 = 18
Step 4:	3x/3 = 18/3
Step 5:	x = 6

In checking her answer, she realized she had made a mistake and that x = 2 was the answer. Which step contains her mistake?

Step 1

Step 2

Step 3

Step 4