Question 271697
{{{y-y[1]=m(x-x[1])}}} where {{{"("}}}{{{x[1]}}}{{{","}}}{{{y[1]}}}{{{")"}}}{{{"="}}}{{{"("}}}{{{1}}}{{{","}}}{{{-5}}}{{{")"}}}, {{{m=-2/5}}}

{{{y-(-5)=(-2/5)(x-1)}}}

{{{y+5=(-2/5)(x-1)}}}

{{{red(5)y+red(5)*5=red(cross(5))(-2/cross(5))(x-1)}}}

{{{y+25=-2(x-1)}}}

{{{y+25=-2x+2}}}

{{{2x+y=-23}}}