Select the correct answer A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?
9/2+ 3(4 – 1) – 7 + 23
Step 1: = { + 3(3) — 7 + 23
Step 2: =
- 9 + 3(3) – 7 +8
Step 3: = = 15 (3) — 7 +8
Step 4: = 4 - 7 + 8
Step 5: = 1 +8
Step 6: = 12
OA. Step 5
OB.
Step 3
Step 4
D.
Step 1