PLEASE HELP ME!! GEOMETRY!
All I need is the value of x, and how you found it. Thanks :))

Answer:
-15
Step-by-step explanation:
3x+5=BD
4x+20=AE
3x+5 = 4x+20
subtract 3x from 4x = 1x = x
subtract 20 from 5 = -15
-15=x