document.write( "Question 178001: 2x-3y+z=5
\n" ); document.write( "x +3y+8z =22
\n" ); document.write( "3x-y +2z = 12
\n" ); document.write( "
\n" ); document.write( "please help thank you! \n" ); document.write( "

Algebra.Com's Answer #133122 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Matrix inversion is the fastest.
\n" ); document.write( "[A][x]=[B]
\n" ); document.write( "where
\n" ); document.write( "[A]= $\"%28matrix%283%2C3%2C2%2C-3%2C1%2C1%2C3%2C8%2C3%2C-1%2C2%29%29\"$
\n" ); document.write( "[x]= $\"%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29\"$
\n" ); document.write( "[B]= $\"%28matrix%283%2C1%2C5%2C22%2C12%29%29\"$
\n" ); document.write( "Find the inverse matrix of A.
\n" ); document.write( "[A]inv= $\"-%281%2F48%29%2A%28matrix%283%2C3%2C14%2C5%2C-27%2C22%2C1%2C-15%2C-10%2C-7%2C9%29%29\"$
\n" ); document.write( "The solution is then the inverse matrix multiplied by B.
\n" ); document.write( "[x]={A]inv[B]
\n" ); document.write( "[x]=

\n" ); document.write( "[x]= $\"%28matrix%283%2C1%2C3%2C1%2C2%29%29\"$ \n" ); document.write( "

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