3(n-5)=(21)

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Solution for 3(n-5)=(21) equation: 



3(n-5)=(21)

We move all terms to the left:

3(n-5)-((21))=0

determiningTheFunctionDomain
3(n-5)-21=0

We multiply parentheses

3n-15-21=0

We add all the numbers together, and all the variables

3n-36=0

We move all terms containing n to the left, all other terms to the right

3n=36

n=36/3

n=12

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