so since it is reflected
we find how far the x value was from the x=3 line, then subtract 2 times of that to get the other side value
(x,y)
(5,2)
x=5
5 is how much away from 3
answer is 2
so
5-2=3 so that is the middle
3-2=1=other side
therefor
(1,2) is the new point
