Question 128270
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( 300, 200, -6, 5, -10, 10, -2x -6, x/3 +2) }}} (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.