Question 84149
2X+4Y=10, 4Y=-2X+10, Y=-2X/4+10/4, Y=-X/2+2.5 (RED LINE)
3X+6Y=12, 6Y=-3X+12, Y=-3X/6+12/6, Y=-X/2+2 (GREEN LINE)
{{{ graph( 300, 200, -6, 5, -10, 10, y = -x/2 +2.5, y = -x/2 +2) }}} (graph 300x200 pixels, x  from -6 to 5, y from -10 to 10, of TWO functions y = -x/2 +2.5 and y = -x/2 +2).