Respuesta :

Jsf09

Answer:

75

Step-by-step explanation:

5x-9+9x-6=111

14x-15=111

14x= 126

x=9

-6+9(9)= 75

Answer:

m∠QKJ = 75°

Step-by-step explanation:

(5x - 9) + (-6 + 9x) = 111

-15 + 14x = 111

14x = 126

x = 9

m∠QKJ = -6 + 9(9) = 75