Use vertical angles to find the value of x

Answer:
[tex]x = 600[/tex]
Step-by-step explanation:
Let's right our equation
[tex] \frac{x}{4} + 30 = 180[/tex]
This due to our straight angle
Subtract 30 from both sides
[tex] \frac{x}{4} = 150[/tex]
Multiply both sides by 4
[tex]x = 600[/tex]
Brainliest please :)