document.write( "Question 680090: How do i solve this?
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document.write( "-Systems of nonlinear equations\r
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document.write( "x+3y=12
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document.write( "xy=9 \n" );
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Algebra.Com's Answer #422216 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! x+3y=12 \n" ); document.write( "xy=9 --> y = 9/x \n" ); document.write( "-------- \n" ); document.write( "sub for y in the 1st eqn \n" ); document.write( "x + 27/x = 12 \n" ); document.write( " \n" ); document.write( "(x-3)*(x-9) = 0 \n" ); document.write( "x = 3, y = 3 \n" ); document.write( "x = 9, y = 1\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |