Two friends are sharing one half of a pizza that is divided into three pieces, as shown in the figure.

Circle O has diameter A D and radii B O and C O. Angle A O B is adjacent to angle B O C. Angle B O C is adjacent to angle C O D.

If m∠AOB = (2x − 4)° and m∠BOD = (14x + 12)°, what is the value of x?

1.30
10.75
17.40
162.50