document.write( "Question 668388: dear math teachers,
\n" ); document.write( "this is a combinatoric question. if nC2=10C2 solve for the value of n. \n" ); document.write( "
Algebra.Com's Answer #415500 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "nC2=10C2\r\n" );
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document.write( "n = 10\r\n" );
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document.write( "Check by substititing 10 for n in\r\n" );
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document.write( "nC2=10C2\r\n" );
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document.write( "10C2=10C2\r\n" );
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document.write( "Both sides are the same so n=10 checks.\r\n" );
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document.write( "Edwin
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