You can put this solution on YOUR website! x-2y=8 or -2y=-x+8 or y=-x/-2+8/-2 or y=x/2-4 (red line).
3x-2y=12 or -2y=-3x+12 or y=-3x/-2+12/-2 or y=1.5x-6 (green line). (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = x/2 -4 and y = 1.5x -6).