document.write( "Question 548291: Solve for X, Y and Z using Matrices. I have tried over 20 times to get this; and I'm just not getting it. Thank you for your help.
\n" ); document.write( "x - y - 2z = -1
\n" ); document.write( "x + 2y + z = 5
\n" ); document.write( "5x + 4y - z = 13
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Algebra.Com's Answer #356872 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
There's no unique solution.
\n" ); document.write( "The 2nd column = the sum of the 1st & 3rd --> dependent.
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