document.write( "Question 1130364: Solve for x:\r
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document.write( "log5 x + log5(x-24) = 2\r
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document.write( "Please show me how you got the answer, thanks. \n" );
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Algebra.Com's Answer #747052 by greenestamps(13215) You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "You have two valid and correct solutions to your equation from other tutors; let me suggest a different method that I personally find easier. \n" ); document.write( "My preferred first step, given two terms with log base 5 on the left and an integer on the right, is to rewrite the integer as a term in log base 5: \n" ); document.write( " \n" ); document.write( "Now, with all terms log base 5, I can convert this to an ordinary algebraic equation using basic rules of logarithms; then solve the equation: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "However, the log of a negative number is not a real number, so the only solution is x = 25. \n" ); document.write( " |