Question 148936
y=3x+2 (RED LINE)
2x+y=-8 
Y=-2X-8 (GREEN LINE)
{{{ graph( 300, 200, -6, 5, -10, 10, 3x +2, -2x -8) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x +2 and -2x -8). 
solution (-2,-4)