document.write( "Question 468208: I need a little help here:\r
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document.write( "ln(x+9)-ln(x-5)=ln(x+7)-ln(x-4).\r
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document.write( "Apparently there is no solution? Why not x=1/3?! \n" );
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Algebra.Com's Answer #321255 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! ln(x+9)-ln(x-5)=ln(x+7)-ln(x-4).\r \n" ); document.write( "\n" ); document.write( "Apparently there is no solution? Why not x=1/3?! \n" ); document.write( "------------------ \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "3x = 1 \n" ); document.write( "x = 1/3 \n" ); document.write( "---------------- \n" ); document.write( "x = 1/3 makes ln(x-5) and ln(x-4) the logs of negative numbers. \n" ); document.write( " --> no solution. \n" ); document.write( " \n" ); document.write( " |