document.write( "Question 1017376: Lee’s mother was 3 times Lee’s age six years ago. Now Lee’s mother is 28 years older than
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document.write( "Lee. What is Lee’s age now? \n" );
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Algebra.Com's Answer #633727 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call Mom's and Lee's age NOW, M and L. \n" ); document.write( "Then we can write \n" ); document.write( "M - 6 = 3(L - 6) and \n" ); document.write( "M = L + 28 \n" ); document.write( "Substitute this into the first equation and get \n" ); document.write( "L+28 - 6 = 3(L - 6) \n" ); document.write( "L + 22 = 3L - 18 \n" ); document.write( "Add 18 and subtract L from both sides and get \n" ); document.write( "L + 40 = 3L \n" ); document.write( "40 = 2L \n" ); document.write( "L = 20 years old NOW. \n" ); document.write( " |