Respuesta :

Space

Answer:

x = 9

Step-by-step explanation:

Angles in a triangle add up to 180°.

Step 1: Set up equation

119 + 3x - 4 + 5x - 7 = 180

Step 2: Solve for x

  1. Combine like terms: 8x + 108 = 180
  2. Subtract 108 on both sides: 8x = 72
  3. Divide both sides by 8: x = 9