SOLUTION: M(-4,8) is the midpoint of line DE. D has coordiantes (6,1). find the midpoint

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Question 342923: M(-4,8) is the midpoint of line DE. D has coordiantes (6,1). find the midpoint
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

Use the midpoint formula,
x%5BM%5D=%28x%5BD%5D%2Bx%5BE%5D%29%2F2
-4=%286%2Bx%5BE%5D%29%2F2
6%2Bx%5BE%5D=-8
Solve to find x%5BE%5D
.
.
.
y%5BM%5D=%28y%5BD%5D%2By%5BE%5D%29%2F2
-8=%281%2By%5BE%5D%29%2F2
1%2By%5BE%5D=-16
Solve to find y%5BE%5D