math
posted by gail
Solve the system of equations by graphing
2x+y=8
X+3y=9

jassi
y = 2, x = 3

Steve
visit rechneronline.de/functiongraphs
for excellent graphs. Set the limits for x and y and let 'er fly.
The only inconvenience is that you need to express y as a function of x first.
For more versatile graphs, but less control over ranges, try
wolframalpha.com and enter
plot 2x+y=8, x+3y=9
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