SOLUTION: Solve the system by graphing. x – 2y = 8 x + y = –1

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Question 117212: Solve the system by graphing.
x – 2y = 8
x + y = –1
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
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%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+x%2F2+-4%2C+y+=+-x+-1%29+ (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.