Question 330091
the midpoint between (x1,y1)&(x2,y2) = {{{((x1+x2)/2)}}}, {{{((y1+y2)/2)}}}
..
the points are (q,4) (8,6)
mid point = (6,p)

(q+8)/2 =6
q+8=12
q=12-8
q=4
..
4+6 /2 =p
10/2=p
p=5