SOLUTION: I dont really quite get how to solve augmented matrices by hand,I can do simple ones but some are really hard, this is the one I am stuck on,can you please show me step by step.

Algebra ->  Matrices-and-determiminant -> SOLUTION: I dont really quite get how to solve augmented matrices by hand,I can do simple ones but some are really hard, this is the one I am stuck on,can you please show me step by step.       Log On


   

Question 397660: I dont really quite get how to solve augmented matrices by hand,I can do simple ones but some are really hard, this is the one I am stuck on,can you please show me step by step.
a+b-c=6
2a+b+c=-10
a+4b-3c=9
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
That process is quite time consuming.
Please check out the following site
to see how it is done.
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Cheers,
Stan H.
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Use Google to search other sites illustrating "solving
augmented matrices".
http://tutorial.math.lamar.edu/Classes/Alg/AugmentedMatrix.aspx