Question 214398: How do I solve this problem by graphin
x+y=3
2x+y=1
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! How do I solve this problem by graphin
x+y=3
2x+y=1
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They're 2 linear equations, meaning their graphs are straight lines.
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Find 2 points for each eqn.
x+y = 3
x...y
0...3 --> (0,3)
3...0 --> (3,0)
Plot the 2 points, draw a line thru them
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Do the same for the other eqn.
The intersection of the lines is the solution.
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