Answer:
x = 6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality
Algebra I
Geometry
- All angles in a triangle add up to 180°
Explanation:
Step 1: Define
Identify and set up
6x° + 36° + 108° = 180°
Step 2: Solve for x
- [Addition] Combine like terms: 6x° + 144° = 180°
- [Subtraction Property of Equality] Subtract 144° on both sides: 6x° = 36°
- [Division Property of Equality] Divide 6 on both sides: x = 6