Respuesta :

Space

Answer:

x = 16

Step-by-step explanation:

All angles in a triangle add up to 180°.

Step 1: Set up equation

9x - 8 + x + 10 + x + 2 = 180

Step 2: Solve for x

  1. Combine like terms: 11x + 4 = 180
  2. Subtract 4 on both sides: 11x = 176
  3. Divide both sides by 11: x = 16

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