Question

P(d + x) = 2x + 3
Which equation is correctly rewritten to solve for d?

Answer 1

d =
`(2x + 3)/(p)` - x

Explanation:

First divide both sides by p.

then subtract x from both sides

Answer 2

`\displaystyle d = (2x + 3)/(d) - x`

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

Algebra I

• Terms/Coefficients

Explanation:

Step 1: Define

Identify

`\displaystyle p(d + x) = 2x + 3`

Step 2: Solve for d

1. [Division Property of Equality] Divide p on both sides:
   `\displaystyle d + x = (2x + 3)/(d)`
2. [Subtraction Property of Equality] Subtract x on both sides:
   `\displaystyle d = (2x + 3)/(d) - x`