Respuesta :

casino4

Answer:

10

Step-by-step explanation:

13x + 5x = 180

18x = 180

x = 10

jazminrosas30
A straight line is 180 degrees so what I did was add 5+13 to get 18.
180 divided by 18 = 10 so the answer is 10. To check my work I multiplied 5x10 which is 50 and 13x10 which is 130 and they add up to 180 degrees.

x is equal to 10.