You can put this solution on YOUR website! 2x+y=-6 or y=-2x-6 (red line)
x-3y=-6 or -3y=-x-6 or y=-x/-3-6/-3 or y=x/3+2 (green line) (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -2x -6 and x/3 +2).
X=-3.43 ANSWER.
Y=.857 ANSWER.
(-3.43,.857) IS THE INTERCEPT POINT.