document.write( "Question 470432: Solve the logarithmic equation using the one-to-one property.\r
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document.write( "log (x + 5) = log (5x - 4) \n" );
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Algebra.Com's Answer #325379 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Solve the logarithmic equation using the one-to-one property. \n" ); document.write( "log (x + 5) = log (5x - 4) \n" ); document.write( "** \n" ); document.write( "log (x+5)- log (5x-4)=0 \n" ); document.write( "log[(x+5)/(5x-4)]=0 \n" ); document.write( "convert to exponential form: (base (10) raised to log of number(0)=number(x+5)/(5x-4) \n" ); document.write( "10^0=(x+5)/(5x-4)=1 \n" ); document.write( "x+5=5x-4 \n" ); document.write( "4x=9 \n" ); document.write( "x=9/4 \n" ); document.write( "Check: \n" ); document.write( "log(9/4+5)-log(5*9/4-4) \n" ); document.write( ".8603-.8603=0 \n" ); document.write( " |