document.write( "Question 1019307: The sum of two numbers is
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\n" ); document.write( " and the difference is
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Algebra.Com's Answer #635256 by fractalier(6550)\"\" \"About 
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Call the numbers x and y. Then we write
\n" ); document.write( "x + y = 51 and
\n" ); document.write( "x - y = 29
\n" ); document.write( "When we add these equations we get
\n" ); document.write( "2x = 80
\n" ); document.write( "x = 40 so that
\n" ); document.write( "y = 11
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