document.write( "Question 1001050: solve a system of three linear equations with three variables \r
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document.write( "5x =5
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document.write( "2x+y =4
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document.write( "3x+y-4z=-15
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Algebra.Com's Answer #618321 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "================ \n" ); document.write( "3x+y-4z=-15 \n" ); document.write( "Sub for x & y to find z. \n" ); document.write( " \n" ); document.write( " |