plz help I will mark brainliest if u help me

Answer:
You add up all the things it tells you... do a little more work... solve... adding up.... doing equation... The things in parenthesis you have to add up with whatever solves for X so Your answer will be... -15
The answer is... 15?!
P.s, B helps with the equation!
My first answer is 15 if i change my mind or come back and change it to solve which i will it may be different!
Tell me if i'm right!
Step-by-step explanation:
Your welcome!
Have a great week!
Byes!
-Sincerely, The Brainliest <3 :)