Answer:
y=-2x+7
Step-by-step explanation:
[tex] Slope=m=\frac{1-(-7)}{3-7}=-2\\
Since,
y=mx+c\\
y=-2x+c[/tex]
To find "c" put one of the points in the equation. Put$(3,1)$
$1=-2(3)+c$
$c=1+6=7$