Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)

1 answer

A(x,y), B(-24,15), C(-18,10).

-18-x = 2(-24-x)
-18-x = -48-2x
2x-x = -48+18
X = -30

10-y = 2(15-y)
10-y = 30-2y
2y-y = 30-10
Y = 20.