s9004972 s9004972

24-11-2021
Mathematics

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Use the model to find the missing number in the pair of equivalent expressions.

15 + 9 = ?(5 + 3)

What number is missing from the expression?

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mathgenius89 mathgenius89

24-11-2021

Answer:

3

Reasoning:

[tex]3(5+3)=15+9[/tex]

Distribute three to the numbers to get 15+9.

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