document.write( "Question 544991: I have a big problem with this equation.\r
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document.write( "5^(x-2) = 3^(2x) \r
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document.write( "That is,
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document.write( "I know the answer but I don't know what's the method to have it.\r
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document.write( "The answer is: log 25 / log 5/9\r
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document.write( "Help me please\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #355377 by stanbon(75887) ![]() You can put this solution on YOUR website! 5^(x-2) = 3^(2x) \n" ); document.write( "--------------- \n" ); document.write( "(x-2)log(5) = (2x)log(3) \n" ); document.write( "--- \n" ); document.write( "xlog(5) - log(25) = x(log(9)) \n" ); document.write( "---- \n" ); document.write( "x[log(5)-log(9)] = log(25) \n" ); document.write( "--- \n" ); document.write( "x = log(25)/(log(5/9)) \n" ); document.write( "------ \n" ); document.write( "x = -5.4763 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |