document.write( "Question 1073731: PLEASE HELP ASAP!!\r
\n" ); document.write( "\n" ); document.write( "Solve the system of equations using Gauss- Jordan row reduction. You can put the matrix in row-echelon form ( with zeros in the lower left triangle) and then use back substitution if you wish.
\n" ); document.write( "x+y+6z=4
\n" ); document.write( "x-y+2z=2
\n" ); document.write( "x +2z=0
\n" ); document.write( "

Algebra.Com's Answer #688542 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"%28matrix%283%2C4%2C%0D%0A1%2C1%2C6%2C4%2C%0D%0A1%2C-1%2C2%2C2%2C%0D%0A1%2C0%2C2%2C0%29%29\"
\n" ); document.write( "Replace R3 with R2-R3
\n" ); document.write( "\"%28matrix%283%2C4%2C%0D%0A1%2C1%2C6%2C4%2C%0D%0A1%2C-1%2C2%2C2%2C%0D%0A0%2C-1%2C0%2C2%29%29\"
\n" ); document.write( "Replace R2 with R1-R2,
\n" ); document.write( "\"%28matrix%283%2C4%2C%0D%0A1%2C1%2C6%2C4%2C%0D%0A0%2C2%2C4%2C2%2C%0D%0A0%2C-1%2C0%2C2%29%29\"
\n" ); document.write( "Replace R3 with R2+2R3,
\n" ); document.write( "\"%28matrix%283%2C4%2C%0D%0A1%2C1%2C6%2C4%2C%0D%0A0%2C2%2C4%2C2%2C%0D%0A0%2C0%2C4%2C6%29%29\"
\n" ); document.write( "So then,
\n" ); document.write( "\"4z=6\"
\n" ); document.write( "Solve for z and work backwards to get x and y.
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