Respuesta :

Space

Answer:

x = 13

General Formulas and Concepts:

Pre-Algebra

  • Equality Properties

Geometry

  • Vertical Angles

Step-by-step explanation:

Step 1: Set up equation

3x = x + 26

Step 2: Solve for x

  1. Subtract x on both sides:                    2x = 26
  2. Divide 2 on both sides:                       x = 13

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