document.write( "Question 282235: logv5 (3x-10)-3logv5 4=2\r
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document.write( "the \"v\" means sub and the 4 is after the sub5 not 54
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document.write( "im having a lot of trouble and i could really use someones help :) \n" );
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Algebra.Com's Answer #204956 by dabanfield(803) ![]() You can put this solution on YOUR website! 1.) logv5 (3x-10)-3logv5 4 = 2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Using two laws of logs:\r \n" ); document.write( "\n" ); document.write( "log a^b = b*log a and \n" ); document.write( "log (a- b) = log a - log b\r \n" ); document.write( "\n" ); document.write( "We have from 1.):\r \n" ); document.write( "\n" ); document.write( "logv5 (3x-10) - logv5 4^3 = 2 (note that 4^3 = 64)\r \n" ); document.write( "\n" ); document.write( "logv5 (3x-10)/64 = 2\r \n" ); document.write( "\n" ); document.write( "By definition of a logv5 we have:\r \n" ); document.write( "\n" ); document.write( "(3x-10)/64 = 5^2\r \n" ); document.write( "\n" ); document.write( "3x-10 = 25*64\r \n" ); document.write( "\n" ); document.write( "Solve the above for x. \n" ); document.write( " |