Answer:
x = 20
Step-by-step explanation:
A straight line is equal to 180 degrees. Therefore (4x -8) + (6x-12) = 180
Combine the like terms to get 10x -20 = 180. Simplify by adding 20 getting you 10x = 200. Divide by 10 on both sides to get the x value by itself giving you x = 20.
(edited)
