document.write( "Question 599023: the sum of 2 numbers is 29 and their difference is 13. solve. \n" ); document.write( "
Algebra.Com's Answer #378774 by flame8855(424)\"\" \"About 
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let x and y be the two numbers
\n" ); document.write( "x+y = 29
\n" ); document.write( "x-y = 13
\n" ); document.write( "solve simultaneously
\n" ); document.write( "x+y +x -y = 29 + 13
\n" ); document.write( "2x=42
\n" ); document.write( "x= 21
\n" ); document.write( "x+y = 29
\n" ); document.write( "y= 29-x= 29- 21 = 8
\n" ); document.write( "x is 21
\n" ); document.write( "y is 8
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