4/5x-8=3
move -8 to the other side and add
4/5x=3+8
4/5x=11
move 5x to the other side and multiply
4=5x*11
4=55x
4/55=x
AB=EF
ABEF=ABF+AEF
NOW CONTINUES THE SOLUTION
Answer:
x=14
Step-by-step explanation:
The interior angles of a regular decagon are the same and add up to 1440.
10(10x+4)=1440
Answer:
C
Step-by-step explanation:
