Answer:
It’s B
Step-by-step explanation:
I think its 16
It's also 52 If I got it wrong I'm so sorry but I'm good at angles
Here we use the property, angles opposite to equal sides are equal,
(5x+27)=(45+3x)
5x-3x=45-27
2x =18
x=18/2
x=9
Answer is D. x=9