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Does anyone know this?
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3 votes
Does anyone know this?

Does anyone know this?-example-1
User StockUberflow
by
5.1k points

1 Answer

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Answer:

8/21

Explanation:

-1/3 + 5/7=1×7 =-7/21 +15/21

- × -

3. 7

-7/21 + 15/21= -7+15 = 8/21

-----

21

User Kah
by
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