document.write( "Question 253798: If n is an integer, which one of following must be an odd number ?\r
\n" ); document.write( "\n" ); document.write( "(A) 2n –7 (B) 3n + 7 (C) 4n – 10 (D) 5 n + 1 (E) 6n/4
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Algebra.Com's Answer #186111 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
If n is an integer then 2n is even.
\n" ); document.write( "if you add or subtract an odd number from an even number the result is odd.
\n" ); document.write( "which is A) 2n-7
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