Respuesta :

Equating the given angles, we will get x as 23.

Step-by-step explanation:

Since it is given that ray BD bisects ∠ABC, we can say that the angles <DBC and <ABD are equal.

Equating the angles, we will get,

<DBC = <ABD

(x+ 8)° = (2x-15)°

Grouping the terms, we will get,

2x-x = 8+ 15

   x = 23