Question 121422
x-y=5 or -y=-x+5 or y=x-5 (red line)
x+y=3 or y=-x+3 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, y = x -5, y = -x +3) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = x -5 and y = -x +3). 
ANSWER(4,-1).