9514 1404 393
Answer:
x = 5
Explanation:
Assuming the given expressions are supposed to be angle measures, their sum must be 180°.
(14x +5) +(5 +20x) = 180
34x = 170 . . . . . . . . . . . . . . subtract 10, collect terms
x = 5 . . . . . . . . . divide by 34