Question

Y = –3x + 7 Rewrite the following equation in standard form

Answer 1

3x + y = 7

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

Standard Form: Ax + By = C

• A, B, and C are integers
• A cannot be negative
• B must be non-zero

Explanation:

Step 1: Define

y = -3x + 7

Step 2: Rewrite

Find Standard Form.

1. [Addition Property of Equality] Add 3x on both sides: 3x + y = -3x + 7 + 3x
2. [Simplify] Combine like terms: 3x + y = 7