document.write( "Question 261070: I need help setting this one up.\r
\n" ); document.write( "\n" ); document.write( "Two numbers have a sum of 11 and a difference of 67. What are the numbers? \n" ); document.write( "

Algebra.Com's Answer #192355 by Edwin McCravy(20054) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Let them be x and y\r\n" );
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document.write( "Two numbers have a sum of 11 \r\n" );
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document.write( "\"Sum\" means to stick a plus sign between them like this\r\n" );
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document.write( "  x + y\r\n" );
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document.write( "So we're told that sum is 11.  So you stick an equal sign after that\r\n" );
document.write( "and then stick 11 after that.  So you have\r\n" );
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document.write( " x + y = 11\r\n" );
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document.write( ">>...Two numbers have...a difference of 67...<<\r\n" );
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document.write( "\"Difference\" means to stick a minus sign between them like this\r\n" );
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document.write( "  x - y \r\n" );
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document.write( "So we're told that difference is 67.  So you stick an equal sign after that\r\n" );
document.write( "and then stick 67 after that.  So you have\r\n" );
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document.write( " x - y = 67\r\n" );
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document.write( "So you put those together as a system of equations\r\n" );
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document.write( "Answer:  x=39, y=-28\r\n" );
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document.write( "When you add then, 39+(-28) that's 39-28 = 11\r\n" );
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document.write( "When you subtract them 38-(-28) that's 39+28=67.\r\n" );
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document.write( "Edwin

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