Answer:
x = 15.5
Step-by-step explanation:
The three angles add to a straight line
∠AOC+<DOC+∠EOD=180
7x-2 + 3x+5 +22 = 180
Combine like terms
10x +25 = 180
Subtract 25 from each side
10x+25-25 = 180-25
10x = 155
Divide each side by 10
10x/10 = 155/10
x = 15.5
