SOLUTION: Solve each system by graphing. x + y = 4 2x - y = 5 My notes from class show how to do this IF say values are given like say (2,3) but if none are given I dont know how to d

Question 225042: Solve each system by graphing.
x + y = 4
2x - y = 5
My notes from class show how to do this IF say values are given like say (2,3) but if none are given I dont know how to do this
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve each system by graphing.
x + y = 4
2x - y = 5
-------------
Plot 2 points for each eqn on graph paper, then draw a line thru the 2 points.
x +y = 4
-------
0 4
4 0
----
2x - y = 5
x y
----
0 -5
5 +5
------
Where the lines cross is the solution.
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