# How do you solve #a+3b+2c=3# , #2a-b-3c= -8#, #5a+2b+c=9# using matrices?

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Jan 19, 2018

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Perform the Gauss Jordan elimination on the augmented matrix

I have written the equations not in the sequence as in the question in order to get

Perform the folowing operations on the rows of the matrix

Thus

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