Question 1023378
Use the equation of the line passing through two given points
{{{(x-x[1])/(x[2]-x[1])=(y-y[1])/(y[2]-y[1])}}}
{{{(x-3)/(-6-3)=(y-3)/(-6-3)}}}
{{{(x-3)/(-9)=(y-3)/(-9)}}}
{{{x-3=y-3}}}
{{{x-y=0}}}