<PRE><B>Question 117212</B>
X-2Y=8 OR -2Y=-X+8 OR Y=-X/-2+8/-2 OR Y=X/2-4 (RED LINE)
X+Y=-1 OR Y=-X-1 (GREEN LINE)
{{{ graph( 300, 200, -6, 5, -10, 10, y = x/2 -4, y = -x -1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = x/2 -4 and y = -x -1).
(2,-3) are the intersection points. 















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