Respuesta :

Space

Answer:

y = 10

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

Geometry

  • Definition of a Line: A line is 180°

Step-by-step explanation:

Step 1: Set Up Equation

(10y + 6)° + (8y - 6)° = 180°

Step 2: Solve for y

  1. Combine like terms:                      18y = 180
  2. Divide 18 on both sides:                y = 10

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