document.write( "Question 37121: 3log (base 2) (5x)= 12
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document.write( "X=??? \n" );
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Algebra.Com's Answer #22798 by AnlytcPhil(1806)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "\r\n" ); document.write( " 3·log2(5x) = 12\r\n" ); document.write( "\r\n" ); document.write( "Divide both sides by 3\r\n" ); document.write( "\r\n" ); document.write( " log2(5x) = 4\r\n" ); document.write( "\r\n" ); document.write( "Use the fact that equation\r\n" ); document.write( "\r\n" ); document.write( " logBA = C \r\n" ); document.write( "\r\n" ); document.write( "is equivalent to the equation \r\n" ); document.write( "\r\n" ); document.write( " A = BC\r\n" ); document.write( "\r\n" ); document.write( " 5x = 24\r\n" ); document.write( "\r\n" ); document.write( " 5x = 2·2·2·2\r\n" ); document.write( "\r\n" ); document.write( " 5x = 16\r\n" ); document.write( "\r\n" ); document.write( " x = 16/5 \r\n" ); document.write( "\r\n" ); document.write( " \r\n" ); document.write( "Edwin McCravy\r\n" ); document.write( "AnlytcPhil@aol.com \n" ); document.write( " \n" ); document.write( " |