document.write( "Question 71142: I need help with a natural log equation:\r
\n" ); document.write( "\n" ); document.write( "4ln x - ln 2 = ln 128 (I know the answer is 4, can you show me the steps)\r
\n" ); document.write( "\n" ); document.write( "Thanks
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Algebra.Com's Answer #50865 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
4ln x - ln 2 = ln 128 \r
\n" ); document.write( "\n" ); document.write( "lnx^4 - ln2 = ln128\r
\n" ); document.write( "\n" ); document.write( "ln(x^4/2) = ln128\r
\n" ); document.write( "\n" ); document.write( "x^4/2 = 128\r
\n" ); document.write( "\n" ); document.write( "x^4 = 256\r
\n" ); document.write( "\n" ); document.write( "x = 4\r
\n" ); document.write( "\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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