gjeangjb gjeangjb

04-06-2020
Mathematics

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Which expressions are equivalent to 30 - 3y - 9?
3(17-y)
3(20-y-3)
17(3-y)
Or 20(3-3y)-9

Respuesta :

gcantiga44 gcantiga44

04-06-2020

Answer:

3(20 - y - 3)

Explanation:

If you expand it:

3 · 20 = 30

3 · -y = -3y

3 · -3 = -9

Combine them altogether to get:

30 - 3y - 9

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