The midpoint is given by:
[tex]\begin{gathered} Mp=(xp,yp) \\ where \\ xp=\frac{x1+x2}{2} \\ yp=\frac{y1+y2}{2} \end{gathered}[/tex]let:
[tex]\begin{gathered} (x1,y1)=(6,-7) \\ (x2,y2)=(10,3) \end{gathered}[/tex]so:
[tex]\begin{gathered} xp=\frac{6+10}{2}=\frac{16}{2}=8 \\ yp=\frac{-7+3}{2}=-\frac{4}{2}=-2 \end{gathered}[/tex]Therefore:
[tex]Mp=(8,-2)[/tex]