In the figure, the measures of some angles in degrees are indicated as functions of $x$. What is the value of $x$?
(a) $6^{\circ}$

(b) $12^{\circ}$

(c) $18^{\circ}$

(d) $20^{\circ}$

(e) $24^{\circ}$

![](https://cdn.mathpix.com/cropped/2024_05_01_280b19a87fa67143351eg-009.jpg?height=406&width=680&top_left_y=268&top_left_x=768)