Question 225050
Okay, slope is m=-3.
Plug into this equation:
{{{(y-y_1)=m(x-x_1)}}}
{{{(y-8)=-3(x-5)}}}
Simplify:
{{{y-8=-3x+15}}}
Add 8 to both sides:
{{{y=-3x+23}}}, which is our answer.