Answer
$5x+y=16$
Work Step by Step
$(3,1)$ and $(5, -9)$
$m=\frac{-9-1}{5-3}$
$m=\frac{-10}{2}$
$m=-5$
$(y-y_1)=m(x-x_1)$
$(y-1)=(-5)(x-3)$
$y-1=-5x+15$
$5x+y=16$
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