document.write( "Question 253007: If j and k are integers and j+k = 2j +4, which of the following must be true ?\r
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document.write( "I. j is even
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document.write( "II. k is even
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document.write( "III. k – j is even\r
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document.write( "(A) None (B) I only (C) II only (D) III only (E) I, II, and III \n" );
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Algebra.Com's Answer #185284 by hokies(65)![]() ![]() You can put this solution on YOUR website! D. III only\r \n" ); document.write( "\n" ); document.write( "The sum (j+k) is even since 2*(any number)+4 must be even. Therefore their difference must be even too. j and k could both be odd. \n" ); document.write( " |