Question 103880
x-2y=-2
-2y=-x-2
y=-x/-2-2/-2
y=x/2+1 (red line)
x+2y=10
2y=-x+10
y=-x/2-10/2
y=-x/2-5 (green line}
{{{ graph( 300, 200, -10, 5, -5, 10, y = x/2 +1, y = -x/2 -5) }}} (graph 300x200 pixels, x from -10 to 5, y from -5 to 10, of TWO functions y = x/2 +1 and y = -x/2 -5).