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Tju [1.3M]
3 years ago
11

Which expression is equivalent to 13 – (-21)?

Mathematics
2 answers:
Tems11 [23]3 years ago
5 0

Answer:

13 + 21 = 34

Step-by-step explanation:

Two like signs become a positive sign, therefore minus a negative number become a plus.

Nataliya [291]3 years ago
4 0

Answer:

Step-by-step explanation:

13 + 21 = 34

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