Answer:
Angle BEA
Step-by-step explanation:
They share the same straight line and their degrees add to 180
Step-by-step explanation:
go for it this is your questions answer
The answer to your question is 15
Answer: 
<u>Remove "x" and add</u>
-2 + 9 = 7
<u>Add "x" back</u>
7 -----> 7x
Note: When adding/subtracting problems like these remove "x" and then add/subtract normaly. When you get your answer put x back.