Please help with this

Answer:
Answer is 65 =, option C
Step-by-step explanation:
angle xoz = 86
This means that 3x + 6x+ 23 = 86.
Because angle xoy and angle yoz = angle xoz
Solving for x yields 7.
Substituting it in the formula for yoz which is 6x + 23 gives off 65.
Hope this helps.