Respuesta :

chetankachana

Answer:

x = 36°

Step-by-step explanation:

Hello!

If angles are supplementary, that means that the sum of those angles is 180°.

Set up an equation and solve for x.

Solve for x

  • 2x + 18 + 3x - 18 = 180
  • 5x = 180
  • x = 36

The measure of x is 36°.