Answer:
y = 10
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Geometry
- Definition of a Line: A line is 180°
Explanation:
Step 1: Set Up Equation
(10y + 6)° + (8y - 6)° = 180°
Step 2: Solve for y
- Combine like terms: 18y = 180
- Divide 18 on both sides: y = 10