document.write( "Question 1113537: N is a positive integer where:
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Algebra.Com's Answer #728606 by ikleyn(52794) $\"\"$ $\"About$

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document.write( " +  = 1\r\n" );
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document.write( "2*(n+3) + 2n = n*(n+3)\r\n" );
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document.write( "2n + 6 + 2n = n^2 + 3n\r\n" );
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document.write( "n^2 - n - 6 = 0\r\n" );
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document.write( "(n-3)*(n+2) = 0.\r\n" );
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document.write( "The roots are n= 3  and  n= -2.\r\n" );
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document.write( "Since you are looking for positive n, only the root n= 3 is the solution.\r\n" );
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document.write( "Answer.  Positive integer n = 3.\r\n" );
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\n" ); document.write( "In future, when there are formulas in your post, use parentheses to separate different parts and make clear which part of the formula
\n" ); document.write( "is the numerator and which part is the denominator. Otherwise your formulas are ambiguous and/or unreadable.\r
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\n" ); document.write( "\n" ); document.write( "In this case, the correct writing is \r
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\n" ); document.write( "\n" ); document.write( "(2/n) + 2/(n+3) = 1.\r
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