Find x, please. They’re vertical angles so x will be the same for both

Answer:
23.
Step-by-step explanation:
5x + 20 = 3x + 66
Subtract 20 from both sides and 3x from both sides
5x - 3x + 20 - 20 = 3x - 3x + 66 - 20
5x - 3x = 66 - 20
2x = 46
x = 23.