document.write( "Question 912519: Solve to find the values of x,y and z.\r
\n" ); document.write( "\n" ); document.write( "i) 3x-4y+z=29
\n" ); document.write( "ii) 7x+y-3z=26
\n" ); document.write( "iii) 5x+4y-3z=7\r
\n" ); document.write( "\n" ); document.write( "Please help! I really need this!
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Algebra.Com's Answer #553845 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Use Cramer's rule,
\n" ); document.write( "\"A=%28matrix%283%2C3%2C%0D%0A3%2C-4%2C1%2C%0D%0A7%2C1%2C-3%2C%0D%0A5%2C4%2C-3%29%29\"
\n" ); document.write( "\"abs%28A%29=26\"
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\n" ); document.write( "\"A%5Bx%5D=%28matrix%283%2C3%2C%0D%0A29%2C-4%2C1%2C%0D%0A26%2C1%2C-3%2C%0D%0A7%2C4%2C-3%29%29\"
\n" ); document.write( "\"abs%28A%5Bx%5D%29=130\"
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\n" ); document.write( "\"A%5By%5D=%28matrix%283%2C3%2C%0D%0A3%2C29%2C1%2C%0D%0A7%2C26%2C-3%2C%0D%0A5%2C7%2C-3%29%29\"
\n" ); document.write( "\"abs%28A%5By%5D%29=-78\"
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\n" ); document.write( "\"A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A3%2C-4%2C29%2C%0D%0A7%2C1%2C26%2C%0D%0A5%2C4%2C7%29%29\"
\n" ); document.write( "\"abs%28A%5Bz%5D%29=52\"
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\n" ); document.write( "\"x=abs%28A%5Bx%5D%29%2Fabs%28A%29=130%2F26=5\"
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\n" ); document.write( "\"y=abs%28A%5By%5D%29%2Fabs%28A%29=%28-78%29%2F26=-3\"
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\n" ); document.write( "\"z=abs%28A%5Bz%5D%29%2Fabs%28A%29=52%2F26=2\"
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