Find the sum:
-21 + (-13) + (-9).
A. -43
B. -25
C. 1
D. 4
2 answers:
The answer is A. -43. All of thos additions of minus values are made substraction afterwards.
If you would like to solve - 21 + (- 13) + (- 9) , you can calculate this using the following steps:- 21 + (- 13) + (- 9) = - 21 - 13 - 9 = - 43 A. - 43 .
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