document.write( "Question 628844: can you give me 5 samples of solving problem in positive integers
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Algebra.Com's Answer #395875 by Edwin McCravy(20077) $\"\"$ $\"About$

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document.write( "x + y = 2 has only one solution in positive integers which is x=1, y=1\r\n" );
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document.write( "3xy = 9 has two solutions in positive integers: x=3, y=1, and x=1, y=3\r\n" );
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document.write( "2x = 3y has an infinite number of solutions in positive integers. The \r\n" );
document.write( "smallest solution is x=3, y=2.  But x=1458, y=972 is also a solution. \r\n" );
document.write( "So is x=1427037, y=951358\r\n" );
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document.write( "7x + 3y = 13 has only one solution x=1, y=2\r\n" );
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document.write( "5x - 2y = 4 has infinitely many solutions in positive integers:x=2, y=3, and\r\n" );
document.write( "x=4, y=8, and x=6, y=13, etc.\r\n" );
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document.write( "Edwin

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