document.write( "Question 1001050: solve a system of three linear equations with three variables \r
\n" ); document.write( "\n" ); document.write( "5x =5
\n" ); document.write( "2x+y =4
\n" ); document.write( "3x+y-4z=-15
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Algebra.Com's Answer #618321 by Alan3354(69443)\"\" \"About 
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solve a system of three linear equations with three variables \r
\n" ); document.write( "\n" ); document.write( "5x =5 --> x = 1\r
\n" ); document.write( "\n" ); document.write( "2x+y =4
\n" ); document.write( "2*1 + y = 4 --> y = 2
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\n" ); document.write( "3x+y-4z=-15
\n" ); document.write( "Sub for x & y to find z.
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