document.write( "Question 102201: Please help with this problem. This sounds easy but it may be a trick question. My answer would be any number you start with it doesn't matter.\r
\n" ); document.write( "\n" ); document.write( "The question is:\r
\n" ); document.write( "\n" ); document.write( "Javier said, I have a number in mind. If I add 5 to it, then subtract 5 from it, the average of the results is the number I started with. Can you tell for sure what the number he has in mind? Why ?\r
\n" ); document.write( "\n" ); document.write( "Thanks,
\n" ); document.write( "Brian
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Algebra.Com's Answer #74362 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
Let x be the number.
\n" ); document.write( "\"%28%28x%2B5%2Bx-5%29%2F2%29=x\"
\n" ); document.write( "2x/2=x
\n" ); document.write( "x=x
\n" ); document.write( "While what he says is true it is meaningless also because we knew x=x before he started.
\n" ); document.write( "Ed\r
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