julissa120686 julissa120686

21-01-2021
Mathematics

contestada

3 (n + 7) = __ + 21
Answer?

Respuesta :

epzvonik5 epzvonik5

21-01-2021

Answer:

3n

Step-by-step explanation:

We can see that the 3 gets distributed into the parentheses since there is a +21 on the right (3×7=21) so we also have to distribute the 3 to the n

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