Answer: 7 i think
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer & Step-by-step explanation:
This can be proven with the SAS theorem (side-angle-side)
With a perpendicular bisector, the line it bisects is cut directly in half. This creates two equal sides:
  
 
and it creates two 90° angles:
 ∠ ∠
∠
And because of the reflexive property of congruence:

Side-Angle-Side.
:Done
 
        
             
        
        
        
Dear Ajtocute, let's have x=9 Multiply 7 by 9 to get 63. Then, you divide 63 by 7 to get back to 9. You just cancel out the multiplication with division.
        
             
        
        
        
Answer:
13x
because you would comibne like terms, so you add the 8 and 5.