Respuesta :

Answer:

I am pretty sure the answer is 9.

Step-by-step explanation:

I'm not sure but plz tell me the right answer if it is wrong.

Please mark brainliest.

Answer:

D (9)

Step-by-step explanation:

9x+8=15x-46.......... (alternate angles are equal.)

9x-15x= -46-8

-6x= -54

-6x/-6= -54/-6

x=9