document.write( "Question 704977: what is the answer for log(2x+1) = 1 + log (x-2) ? \n" ); document.write( "
Algebra.Com's Answer #434374 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! Steps: \n" ); document.write( "log(2x+1)-log(x-2)=1 \n" ); document.write( "log((2x+1)/(x-2))=1 [property of logarithms]\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You need to know which base to continue. Is the base 10, or 2, or e? If base is 10, then (2x+1)/(x-2)=10, \n" ); document.write( "2x+1=10x-20, \n" ); document.write( "1=8x-20 \n" ); document.write( "-19=8x, \n" ); document.write( "x=-19/8\r \n" ); document.write( "\n" ); document.write( "Is base 2? \n" ); document.write( "(2x+1)=2(x-2) \n" ); document.write( "2x+1=2x-4 \n" ); document.write( "False\r \n" ); document.write( "\n" ); document.write( "Is the base e? \n" ); document.write( " |