document.write( "Question 11984: twenty-minus a number is 42.find the number \n" ); document.write( "
Algebra.Com's Answer #6093 by snh(2)\"\" \"About 
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20-n=42
\n" ); document.write( "-20 -20
\n" ); document.write( " n=22\r
\n" ); document.write( "\n" ); document.write( "ans: n=22\r
\n" ); document.write( "\n" ); document.write( "subtract 20 from 20 and 42
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