Q. Triangle $ABC$ lies in the Cartesian plane and has an area of $70 sq$. units. The coordinates of $B$ and $C$ are $(12,19)$ and $(23,20)$ respectively and the coordinates of $A$ are $(p, q)$. The line containing the median to the side $BC$ has slope -5 . Find the largest possible value of $(p+q)$.
Straight Lines
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