Question

-1/3 = r - 3/4 What is r?

Answer 1

r = 5/12

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

Equality Properties

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtraction Property of Equality

Explanation:

Step 1: Define

-1/3 = r - 3/4

Step 2: Solve for r

1. [Addition Property of Equality] Add 3/4 on both sides: 5/12 = r
2. Rewrite: r = 5/12