Question 1018998
Point slope form.
{{{y-y[1]=m(x-x[1])}}}
{{{y-(-6)=(4/5)(x-9)}}}
{{{y+6=(4/5)(x-9)}}}
{{{5y+30=4x-36}}}
{{{-4x+5y=-66}}}
{{{4x-5y=66}}}
Do the second problem the same way.