BD=16 and AC the
perpendicular bisector of BD.        
      
                
     
    
    
    
    2  answers:
            
              
Answer: 
y = 5
Step-by-step explanation: 
If AC is the perpendicular bisector of BD, that would mean that y+3=2y-2. 
Now it's just simple algebra.
Solving for y, you get y=5.
 
                                
             
                    
              
Answer: 
y=5
Step-by-step explanation: 
because BD=16 you can add BC and CD together which is 3y+1 since BD and BC + CD is the same thing you can make the equation 3y+1=16
3y=15
y=5
 
                                
             
         	
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