(
−
8
,
3
)
Explanation:
The coordinates are ordered pairs with the  
x
  value listed first. 
The change in the  
x
  position is  
4
−
−
2
=
6
The change in the  
y
  position is  
7
−
5
=
2
Since the midpoint is halfway between A and B, the change will stay the same, so  
x
  is  
−
2
−
6
=
−
8
  and  
y
  is  
5
−
2
=
3