I think C is the correct answer
Answer:
x =27
Step-by-step explanation:
from Z angls rule the agle (BDE) =72
and total angl on D =180
so, 2x +2x+72=180
4x = 180 -72
4x = 108 (divied both sides by 4)
x= 27
Answer:
-12x+20
Step-by-step explanation:
12+2x-14x+8
Add constants: 20+2x-14x
Add variables: 20-12x
Reorder: -12x+20