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NikAS [45]
2 years ago
14

O-13 13 O-5 O 5 Simplify 9-(-4)=

Mathematics
1 answer:
andrey2020 [161]2 years ago
8 0

Answer:

B. <u>13</u>

Step-by-step explanation:

Rule:a-\left(-b\right)=a+b\\=9-\left(-4\right)=9+4\\=9+4\\=13

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