document.write( "Question 1004909: log3(2x-3)-log3(x+2)=3\r
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document.write( "PLEASE HELP! \n" );
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Algebra.Com's Answer #621251 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Using the laws of exponents \n" ); document.write( "log3(2x-3)-log3(x+2)=3 \n" ); document.write( "becomes \n" ); document.write( "log(3) ((2x-3)/(x+2)) = 3 \n" ); document.write( "Now exponentiate 3-to-the and get \n" ); document.write( "(2x-3)/(x+2) = 27 \n" ); document.write( "Now multiply by x+2 and solve \n" ); document.write( "2x - 3 = 27x + 54 \n" ); document.write( "-57 = 25x \n" ); document.write( "x = -57/25 \n" ); document.write( " |