Answer:
x = 24
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Geometry
- All angles in a triangle add up to 180°
Explanation:
Step 1: Set Up Equation
3x + 2x + 60° = 180°
Step 2: Solve for x
- Combine like terms: 5x + 60 = 180
- Isolate x term: 5x = 120
- Isolate x: x = 24