Question 187645
4x+2y=0
2y=-4x 
y=-4x/2
y=-2x (red line)
x-5y=-11
-5y=-x-11
y=-x/-5-11/-5
y=x/5+11/5 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, y = -2x, y = x/5 +11/5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -2x and y = x/5 +11/5). 
Answer: (-1,2)