document.write( "Question 501728: I am a two-digit number. My digits total 12 and have a difference of 4. Who am i? \r
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Algebra.Com's Answer #338642 by Alan3354(69443)\"\" \"About 
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t + u = 12
\n" ); document.write( "t - u = 4
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\n" ); document.write( "2t = 8
\n" ); document.write( "t = 4
\n" ); document.write( "--> 48 or 84
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