Respuesta :

srlt2

Answer:

34

Step-by-step explanation:

angles YPB and BPX together form 180 degrees

180 - 78 = 3x

102/3 = x

x = 34
The answer is 34
This is because if you take 180-78 you would get 102. And because you are trying to solve for x you would have to take 102 and divide it by 3 which gives you 34