document.write( "Question 1005468: ln 28 - ln (x-3) = ln x\r
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document.write( "Solve for x \n" );
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Algebra.Com's Answer #621721 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! ln 28 - ln (x-3) = ln x \n" ); document.write( "---- \n" ); document.write( "ln[28/(x-3)) = ln(x) \n" ); document.write( "----- \n" ); document.write( "28/(x-3) = x \n" ); document.write( "----- \n" ); document.write( "x^2 - 3x - 28 = 0 \n" ); document.write( "--- \n" ); document.write( "Factor: \n" ); document.write( "(x-7)(x+3) = 0 \n" ); document.write( "---- \n" ); document.write( "Acceptable answer since x must be positive:: \n" ); document.write( "x = 7 \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |