Answer:
x=12°
Step-by-step explanation:
When you add the following angles, you get 180 degrees.
Because of this, we can set up and equation.
[tex]10x-20+6x+8=180[/tex]
Combine like terms
[tex]16x-12=180[/tex]
Then add 12 to both sides
[tex]16x=192[/tex]
Divide
[tex]x=12[/tex]
Add label
x=12°
