document.write( "Question 35325: Hi I am having trouble with this question. Can you help?\r
\n" );
document.write( "\n" );
document.write( "9^(4x-3)=4^(2x-4) \n" );
document.write( "
Algebra.Com's Answer #25543 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! This has to be solved using logarithms...so from \n" ); document.write( "9^(4x-3) = 4^(2x-4) \n" ); document.write( "take the log of both sides, apply the power rule and use your algebar tools to solve for x...here goes... \n" ); document.write( "log 9^(4x-3) = log 4^(2x-4) \n" ); document.write( "(4x-3)*log 9 = (2x-4)*log 4 \n" ); document.write( "4xlog9 - 3log9 = 2xlog4 - 4log4 \n" ); document.write( "4xlog9 - 2xlog4 = 3log9 - 4log4 \n" ); document.write( "x(4log9 - 2log4) = 3log9 - 4log4 \n" ); document.write( "x = (3log9 - 4log4) / (4log9 - 2log4) \n" ); document.write( " |