document.write( "Question 395860: find the two numbers whose sum is 29 and whose difference is 15. \n" ); document.write( "
Algebra.Com's Answer #280938 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let the two numbers be \"x\" and \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"sum\" is \"29\", and you have \r
\n" ); document.write( "\n" ); document.write( "\"x+%2B+y+=+29\"\r
\n" ); document.write( "\n" ); document.write( "and their difference is \"15\"\r
\n" ); document.write( "\n" ); document.write( "\"x+-+y+=+15\"...assuming \"x%3Ey\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+%2B+y+=+29\"..........(1)\r
\n" ); document.write( "\n" ); document.write( "\"x+-+y+=+15\"...........(2).......solve this system\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+29+-+y\"..........(1).substitute in (2)\r
\n" ); document.write( "\n" ); document.write( "\"%2829+-+y%29+-+y+=+15\"...........(2).solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"29+-+2y+=+15\"\r
\n" ); document.write( "\n" ); document.write( "\"-+2y+=+15+-+29\"\r
\n" ); document.write( "\n" ); document.write( "\"-+2y+=+-+14\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%28-+14%29%2F%28-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+7\"\r
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\n" ); document.write( "\n" ); document.write( "now find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+29+-+y\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+29+-+7\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+22\"\r
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\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"x+%2B+y+=+29\"\r
\n" ); document.write( "\n" ); document.write( "\"22+%2B+7+=+29\"\r
\n" ); document.write( "\n" ); document.write( "\"29+=+29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+-+y+=+15\"\r
\n" ); document.write( "\n" ); document.write( "\"22+-+7+=+15\"\r
\n" ); document.write( "\n" ); document.write( "\"15+=+15\"\r
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