Question 514542
If I am suppose to find the missing coordinate of an order pair then what do I do? 
For example
(-4,7) and (x,-4) m= 11/2 
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m = diffy/diffx
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11/2 = (7 - (-4))/(-4-x)
11/2 = 11/(-4-x)
1/2 = -1/(x+4)
x+4 = -2
x = -6