document.write( "Question 34188: Express as a single logarithm and simplify:
\n" ); document.write( "logx+logy-logz-logw
\n" ); document.write( "how do I do this one?
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Algebra.Com's Answer #23571 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
The log of a product is the sum of the logs.
\n" ); document.write( "The log of a quotient is the difference of the logs.
\n" ); document.write( "Thus
\n" ); document.write( "logx + logy - logz - logw =
\n" ); document.write( "logx + logy - (logz + logw) =
\n" ); document.write( "log(xy) - log(wz) =
\n" ); document.write( "log(xy/wz)
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