2 years ago

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

Mathematics

2 answers:

Tems11 [23]2 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]2 years ago

4 0

Answer:

Step-by-step explanation:

13 + 21 = 34

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