document.write( "Question 330424: solve 2x-y+z=7
\n" ); document.write( " x+y-z=-4
\n" ); document.write( " x+3y-2z=-11 \n" ); document.write( "

Algebra.Com's Answer #236907 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
[A]= $\"%28matrix%283%2C3%2C2%2C-1%2C1%2C1%2C1%2C-1%2C1%2C3%2C-2%29%29\"$
\n" ); document.write( "[b]= $\"%28matrix%283%2C1%2C7%2C4%2C-11%29%29\"$
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\n" ); document.write( "det[A]= $\"3\"$
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\n" ); document.write( "[A]inv= $\"-%281%2F3%29%2A%28matrix%283%2C3%2C1%2C1%2C0%2C1%2C-5%2C3%2C2%2C-7%2C3%29%29\"$
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\n" ); document.write( "[x]=[A]inv[b]= $\"%28matrix%283%2C1%2C1%2C-2%2C3%29%29\"$ \n" ); document.write( "

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