document.write( "Question 318175: Solve the following set of equations, using matrix notations:\r
\n" ); document.write( "\n" ); document.write( "3x + 3y + 2z = 15
\n" ); document.write( "2x – 4y + 5z = 9
\n" ); document.write( "4x + y – 3z + = -3
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Algebra.Com's Answer #228462 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
[A]=\"%28matrix%283%2C3%2C3%2C3%2C2%2C2%2C-4%2C5%2C4%2C1%2C-3%29%29\"
\n" ); document.write( "[x]=\"%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29\"
\n" ); document.write( "[b]=\"%28matrix%283%2C1%2C15%2C9%2C-3%29%29\"
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\n" ); document.write( "[A][x]=[b]
\n" ); document.write( "[x]=[A]inv[b]
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\n" ); document.write( "det[A]=\"135\"
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\n" ); document.write( "[A]inv=\"%281%2F135%29%2A%28matrix%283%2C3%2C7%2C11%2C23%2C26%2C-17%2C-11%2C18%2C9%2C-18%29%29\"
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\n" ); document.write( "[x]=\"%28matrix%283%2C1%2C1%2C2%2C3%29%29\"
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