Question 91149
2X+3Y=12 OR 3Y=-2X+12 OR Y=-2X/3+12/3 OR Y=-2X/3+4 (RED LINE)
X+1.5Y=-1 OR 1.5Y=-X-1 OR Y=-X/1.5-1/1.5 (GREEN LINE)
{{{ graph( 300, 200, -6, 5, -10, 10, y = -2x/3 +4 , y = -x/1.5 -1/1.5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -2x/3 +4 and y = -x/1.5 -1/1.5). 
SEEING AS THESE ARE PARALLEL LINES THERE IS NO UNIQUE SOLUTION TO THESE TWO EQUATIONS.