document.write( "Question 928794: log(x^3)+log(x^4)/log(80x)=3 \n" ); document.write( "
Algebra.Com's Answer #563901 by ewatrrr(24785)\"\" \"About 
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log(x^7) = 3log(80x)\r
\n" ); document.write( "\n" ); document.write( "log(x^7) = log(80x)^3
\n" ); document.write( "x^7 = 80^3x^3
\n" ); document.write( "x^4 = 80^3
\n" ); document.write( "x = ± root(4, 512,000) =± 26.7496 rounded
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