Select the correct answer.
A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?
Step 1:
==
Step 2: =
+3(41) 7+ 23
+3(3)7+ 23
+3(3)7+8
Step 3:
=
(3)-7+8
Step 4: = 号-7+8
Step 5: = 31+ 8
Step 6:
=
47
O A.
Step 3
OB. Step 1
OC. Step 5
OD. Step 4