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OpenStudy (anonymous):
Simplify the following expression. 28 - (-21) A. -49 B. -7 C. 7 D. 49
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pooja195 (pooja195):
A negative + negative make a positive :) so... \[\huge~\rm~28 +21=?\]
OpenStudy (anonymous):
49?
pooja195 (pooja195):
Yep well done! :)
OpenStudy (anonymous):
tank u
pooja195 (pooja195):
#POOJANOTICEDYOU :D
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OpenStudy (anonymous):
o0o yeshhh
pooja195 (pooja195):
xD
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