3/7x+5=8

1) 7 2/3

2) 7

3) - 7

7. In 3d grade. Branna read 31 mystery books, 21 science fiction books, and 8 biographies. How many books did Brianna read in total in the 3 grade?

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Identify the property that justifies the following statement: If m_1 = m_2, then m_2 = m_1.

To measure how much water is in a pool meters liters or grams

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