Question

Segment PR has an endpoint at (25, -5) and a midpoint of (18, -1). What is the value of the x-coordinate of the other endpoint?

Answer 1

@Hero?

Answer 2

notice the coordinates of both points
x y
from ( 25, -5 )
to ( 18, -1 )

is (18, -1) is the midpoint, middle point, so the next end will be just as far as (25, -5)

notice how many units it moved over the "x"
that many units it will move again to get to the other point