document.write( "Question 1074579: (10^x - 10^-x) / (10^x + 10^-x) = 1/2\r
\n" ); document.write( "\n" ); document.write( "Solve the exponential equation involving b^x + b^-x
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Algebra.Com's Answer #689252 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%2810%5Ex+-+10%5E%28-x%29%29+%2F+%2810%5Ex+%2B+10%5E%28-x%29%29+=+1%2F2\"$
\n" ); document.write( " $\"2%2810%5Ex+-+10%5E%28-x%29%29=10%5Ex+%2B+10%5E%28-x%29%29\"$
\n" ); document.write( " $\"2%2A10%5Ex+-+2%2A10%5E%28-x%29%29=10%5Ex+%2B+10%5E%28-x%29%29\"$
\n" ); document.write( " $\"10%5Ex+-+3%2A10%5E%28-x%29%29=0\"$
\n" ); document.write( " $\"10%5Ex=3%2A10%5E%28-x%29\"$
\n" ); document.write( " $\"100%5Ex=3\"$
\n" ); document.write( " $\"x=log%28%283%29%29%2F2\"$
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