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Use Gaussian elimination to solve the system

$$2x-3y=-5$$

$$3x+y=9$$

Find the value of x.

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    Did you try anything?2012-11-10
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    is it like Simultaneous Equations? I dont know what Gaussian elimination is?2012-11-10
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    Do you know what [Wikipedia](http://en.wikipedia.org/wiki/Gaussian_elimination) is?2012-11-10
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    http://en.wikipedia.org/wiki/Gaussian_elimination2012-11-10
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    It's a simple sytem of equation:multiply the first line for $-3$ the second for $2$, them add the first for the second, you'll find $y$, substitute and you're done.2012-11-10
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    @joriki: How do you embed a link like that in comments? I know how to do it in questions and answers, but never did figure out how to do it in comments.2012-11-10
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    Basically, its simultaneous equations so??2012-11-10
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    Put it in a matrix first...2012-11-10
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    how to you mean put it in a matrix?? you just made it very confusing haha2012-11-10
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    @Cameron: Press "help" under the "Add Comment" button to see a mini-guide to mini-Markdown. For a link, enclose the text to be linked in square brackets, immediately followed (no intervening space) by the URL in parentheses.2012-11-10

2 Answers 2