Find the value of x in each case. A B E

Answer:
18
Step-by-step explanation:
Consecutive interior angles are supplementary, therefore 180 - 8x = angle C.
Alternate interior angles are congruent, so angle C is equal to 2x.
180 - 8x = angle C
Substitute angle C with 2x
180 - 8x = 2x
180 = 10x
x = 18