This is finding the midpoint. Please help

Answer:(4,1) ?
Step-by-step explanation:
(x1 + x2/ 2 , y1+y2/ 2)
(1+7/ 2, 5+(-3)/ 2)
(4,1)
Step-by-step explanation:
[tex]( \frac{1 + 5 }{2} ) \: and( \frac{7 + 3}{2} ) = ( \frac{6}{2} ) + ( \frac{10}{2} ) = [/tex]
(3,5)