Answer:
the answer is -11 sir
Step-by-step explanation: Let's solve your equation step-by-step. 
5+x−2=−8 
Step 1: Simplify both sides of the equation. 
5+x−2=−8 
5+x+−2=−8 
(x)+(5+−2)=−8(Combine Like Terms) 
x+3=−8 
x+3=−8 
Step 2: Subtract 3 from both sides. 
x+3−3=−8−3 
x=−11