Question

Solve for r in terms s, t, u, v.
su=rtv

Answer 1

Making r subject of formula, we get:

r = su/tv

Answer 2

r = su/tv

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

su = rtv

Step 2: Solve for r

1. [Division Property of Equality] Divide tv on both sides: su/tv = r
2. Rewrite/Rearrange: r = su/tv