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Montano1993 [528]
2 years ago
3

9-(-21)= ....................

Mathematics
2 answers:
Nataly [62]2 years ago
7 0
-12 use pemdas search it up if your unsure what is is
ziro4ka [17]2 years ago
4 0
-12. This is because when u subtract a positive and a negitive in this case the -21 takes over so then just do 21-9 then add a negitive sign to the front hope this helps!
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