Answer
Positive 8 is the missing value
Step-by-step explanation:
-11 + 8 = -3
 
        
             
        
        
        
Okay so here to find the answer you have to solve for any one by setting them in y=mx+b form 
y=-3x+7               x=-2y-16
2y=-x-16              6=-2y-16
x=6                      22=-2y
                           -11=y
        
             
        
        
        
Answer:
gja
Step-by-step explanation:
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