Respuesta :

Space

Answer:

4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

Step 1: Define

a = 3, b = 5, c = 1

b - c

Step 2: Evaluate

  1. Substitute:                      5 - 1
  2. Subtract:                         4