Question 1080289
slope,  {{{(7-(-5))/(-3-1)=12/(-4)=-3}}}


Pick either point, here choosing  (1,-5), and put into point-slope equation form:
{{{y-(-5)=-3(x-1)}}}
{{{highlight(y+5=-3(x-1))}}}



Simple algebra to put into slope-intercept form:
{{{cross(y+5=-3x+1)}}}
{{{y+5=-3x+3}}}
{{{highlight(y=-3x-2)}}}
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