document.write( "Question 881826: 16.(a)If log7 4 = k, and 7^(2p-1) = 28, express p in terms of k.
\n" ); document.write( " (b)Solve the equation, log3 (8t-5) - log3 3t = -1. \n" ); document.write( "

Algebra.Com's Answer #532564 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"log%287%2C%284%29%29=k\"$
\n" ); document.write( " $\"7%5Ek=4\"$
\n" ); document.write( " $\"7%5E%282p-1%29=28\"$
\n" ); document.write( " $\"7%5E%282p-1%29%2F7%5Ek=28%2F4=7\"$
\n" ); document.write( " $\"7%5E%282p-1-k%29=7\"$
\n" ); document.write( " $\"2p-1-k=1\"$
\n" ); document.write( " $\"2p=k%2B2\"$
\n" ); document.write( " $\"p=%28k%2B2%29%2F2\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"log%283+%2C%288t-5%29%29+-+log%283%2C+%283t%29%29+=+-1\"$
\n" ); document.write( " $\"log%283+%2C%288t-5%29%2F%283t%29%29+=+-1\"$
\n" ); document.write( " $\"%288t-5%29%2F3t=1%2F3\"$
\n" ); document.write( " $\"8t-5=t\"$
\n" ); document.write( " $\"7t=5\"$
\n" ); document.write( " $\"t=5%2F7\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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