document.write( "Question 330485: Need help with the problem below.Thanks in advance.
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\n" ); document.write( "Solve the following problems for X and Y in these two system equations, and for X and Y and Z, in these three system equations. \r
\n" ); document.write( "\n" ); document.write( "X+10Y+Z=52.....5X+Y+4Z=15.....X+2y-3Z=12..... X=? Y=? Z=?
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Algebra.Com's Answer #237028 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
[A][x]=[b]
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\n" ); document.write( "[A]=\"%28matrix%283%2C3%2C1%2C10%2C1%2C5%2C1%2C4%2C1%2C2%2C-3%29%29\"
\n" ); document.write( "[b]=\"%28matrix%283%2C1%2C52%2C15%2C12%29%29\"
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\n" ); document.write( "det[A]=\"188\"
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\n" ); document.write( "[A]inv=\"-%281%2F188%29%2A%28matrix%283%2C3%2C-11%2C32%2C39%2C19%2C-4%2C1%2C9%2C8%2C-49%29%29\"
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\n" ); document.write( "[x]=[A]inv[b]=\"%28matrix%283%2C1%2C2%2C5%2C0%29%29\"
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