Answer:
3
Explanation:
Order of Operations: BPEMDAS
1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction
Left to Right
Step 1: Write expression
13 - 5[4 - 12 / 6]
Step 2: Brackets - Division
13 - 5[4 - 2]
Step 3: Brackets - Subtraction
13 - 5[2]
Step 4: Multiplication
13 - 10
Step 5: Subtraction
3