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October 20, 2014

October 20, 2014

Posted by **gail** on Friday, November 9, 2012 at 10:52pm.

2x+y=8

X+3y=9

- math -
**jassi**, Friday, November 9, 2012 at 11:22pmy = 2, x = 3

- math -
**Steve**, Friday, November 9, 2012 at 11:43pmvisit rechneronline.de/function-graphs

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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