Point $\blue{A}$ is at $\blue{(-6, 8)}$ and point $\purple{M}$ is at $\purple{(0, 0.5)}$.
Point $\purple{M}$ is the midpoint of point $\blue{A}$ and point $\green{B}$.
**What are the coordinates of point $\green{B}$?**
$($[[☃ numeric-input 1]], [[☃ numeric-input 2]]$)$