Question 256559
y= 1x + 4 (red line)
y= 2x - 8 (green line)
{{{ graph( 300, 200, -6, 15, -10, 20, x +4, 2x -8) }}} (graph 300x200 pixels, x from -6 to 15, y from -10 to 20, of TWO functions x +4 and 2x -8). 
Solution (12,16)