Answer:
X=18
Step-by-step explanation:
they are vertical angles so they equal each other so you make a equation
should look something like this...
(2x+6)=(8x-102)
then you solve
(2x+6)=(8x-102)
-6 = -6
2x=8x -108
-8x=-8x
-6x=-108
Divide by -6 on both sides
-108/-6=18
x=18
