document.write( "Question 1060131: Solve for x. Round to the nearest ten-thousandth.\r
\n" ); document.write( "\n" ); document.write( "5^(-1x+1) = 15
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Algebra.Com's Answer #675122 by Alan3354(69443)\"\" \"About 
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5^(-1x+1) = 15
\n" ); document.write( "(1-x)*log(5) = log(15)
\n" ); document.write( "log(5) - x*log(5) = log(15)
\n" ); document.write( "x*log(5) = log(5) - log(15) = log(1/3)
\n" ); document.write( "x = log(1/3)/log(5)
\n" ); document.write( "x =~ -0.6826
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