document.write( "Question 561706: 24.8 (add) -8.7 - (substract 13) \n" ); document.write( "
Algebra.Com's Answer #405886 by killer6678(69)\"\" \"About 
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24.8 + -8.7 - 13=?
\n" ); document.write( "+ and a negative makes a negative. What makes a positive iswhen the two symbols are the same such as 5 + +5 or 5 - -5.
\n" ); document.write( "This would be 24.8 - 8.7 + 13=
\n" ); document.write( "29.1
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