document.write( "Question 172344: what is 9 minus negative 20 \n" ); document.write( "
Algebra.Com's Answer #127283 by Alan3354(69443)\"\" \"About 
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what is 9 minus negative 20
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\n" ); document.write( "9 - (-20)
\n" ); document.write( "= 9 + 20 (the 2 minus signs make a +)
\n" ); document.write( "= 29
\n" ); document.write( "(At least until the end of 2010)
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