document.write( "Question 679665: log[5](x + 1) - log[5](x - 1) = 2 \n" ); document.write( "
Algebra.Com's Answer #422003 by nerdybill(7384)\"\" \"About 
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\n" ); document.write( "log[5](x + 1) - log[5](x - 1) = 2
\n" ); document.write( "log[5](x + 1)/(x - 1) = 2
\n" ); document.write( "(x + 1)/(x - 1) = 5^2
\n" ); document.write( "(x + 1)/(x - 1) = 25
\n" ); document.write( "(x + 1) = 25(x - 1)
\n" ); document.write( "x + 1 = 25x - 25
\n" ); document.write( "1 = 24x - 25
\n" ); document.write( "26 = 24x
\n" ); document.write( "26/24 = x
\n" ); document.write( "13/12 = x\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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