document.write( "Question 1010536: Fred is seven years older than Ann . The sum of their ages is 31 . How old is Fred ? \n" ); document.write( "
Algebra.Com's Answer #626000 by Alan3354(69443)\"\" \"About 
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Fred is seven years older than Ann . The sum of their ages is 31 . How old is Fred ?
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\n" ); document.write( "F - A = 7
\n" ); document.write( "F + A = 31
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