Respuesta :

Answer:

I believe its 15

Step-by-step explanation:

Answer:

x = 15

Step-by-step explanation:

Since the two angles given are vertical angles, they are equal to each other. That means that 61 = 3x + 16. Now, just solve for x using regular algebra.

3x + 16 = 61

       3x = 45

         x = 15