document.write( "Question 1181831: Two numbers differ by 13. Their sum is 29. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #811744 by mananth(16946)\"\" \"About 
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let the numbers be x & y\r
\n" ); document.write( "\n" ); document.write( "Two numbers differ by 13.\r
\n" ); document.write( "\n" ); document.write( "x-y =13-----------------------1\r
\n" ); document.write( "\n" ); document.write( " Their sum is 29.\r
\n" ); document.write( "\n" ); document.write( "x+y =29 ---------------------2\r
\n" ); document.write( "\n" ); document.write( "Add equation 1 & 2\r
\n" ); document.write( "\n" ); document.write( "2x = 42\r
\n" ); document.write( "\n" ); document.write( "x =42/2
\n" ); document.write( "x =21\r
\n" ); document.write( "\n" ); document.write( "plug x in equation 2\r
\n" ); document.write( "\n" ); document.write( "x+y =29
\n" ); document.write( "21+y=29
\n" ); document.write( "y = 29-21
\n" ); document.write( "y =8\r
\n" ); document.write( "\n" ); document.write( "The numbers are 21 & 8\r
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