Answer:
-15
Step-by-step 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
-15 ÷ 5 - 12
Step 2: Divide
-3 - 12
Step 3: Subtract
-15
