document.write( "Question 889771: Jay is three times as old as Greg. Six years ago, the sum of their ages is equal to Jay's present age. How old are Jay and Greg ? \n" ); document.write( "
Algebra.Com's Answer #538430 by Nigelyul(18)\"\" \"About 
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Let Jay's age be \"J\"
\n" ); document.write( "Greg's age be \"G\"\r
\n" ); document.write( "\n" ); document.write( "\"J=3G\"\r
\n" ); document.write( "\n" ); document.write( "\"%28J-6%29%2B%28G-6%29=J\"
\n" ); document.write( "\"3G+-+12+%2B+G+=+3G\"
\n" ); document.write( "\"G+=+12\"\r
\n" ); document.write( "\n" ); document.write( "\"J=3%2812%29\"
\n" ); document.write( "\"J=36\"\r
\n" ); document.write( "\n" ); document.write( "Therefore, Jay's age is 36 years old and Greg is 12.
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