Answer:
4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Explanation:
Step 1: Define
a = 3, b = 5, c = 1
b - c
Step 2: Evaluate
- Substitute: 5 - 1
- Subtract: 4