SOLUTION: SOLVE AND GRAPH X+Y=3 X-Y=1

Question 136885: SOLVE AND GRAPH X+Y=3 X-Y=1
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
sometimes it's easier to graph & then solve:
the solution here is (2,1)
X+Y=3
Y=-X+3 (RED LINE)
X-Y=1
-Y=-X+1
Y=X-1 (GREEN LINE)

(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x +3 and x -1).

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