Solving equations involving vertical angles
Given the figure below, find the values of x and z.

Answer:
[tex]x=5\\z=94[/tex]
Step-by-step explanation:
As they are vertical angles
∴[tex]7x+51=86\\=>7x=35\\x=5[/tex]
And,
∴[tex]86+86+z+z=360\\=>2z=188\\z=94[/tex]
I have added an image for your further observation
Hope you have understood this.....
ask me if you have any confusion.....
if you liked it pls mark it as the brainliest