document.write( "Question 1139664: solve: 3^(5+4x)=5^x please show work \n" ); document.write( "
Algebra.Com's Answer #760139 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"3%5E%285%2B4x%29=5%5Ex+\"....take the common logarithm of both sides \r
\n" ); document.write( "\n" ); document.write( "\"log%283%5E%285%2B4x%29%29=log%285%5Ex%29+\"...apply the rule \"log%28a%5Eb%29=b%2Alog%28a%29\" \r
\n" ); document.write( "\n" ); document.write( "\"%285%2B4x%29log%283%29=x%2Alog%285%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"%285%2B4x%29%2Fx=log%285%29%2Flog%283%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2Fx%2B4=log%285%29%2Flog%283%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2Fx=log%285%29%2Flog%283%29+-4\"\r
\n" ); document.write( "\n" ); document.write( "\"5=x%28log%285%29%2Flog%283%29+-4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=5%2F%28log%285%29%2Flog%283%29+-4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-1.97237%29\"\r
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