45=3(n+4)

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Solution for 45=3(n+4) equation: 



45=3(n+4)

We move all terms to the left:

45-(3(n+4))=0



We calculate terms in parentheses: -(3(n+4)), so:

3(n+4)

We multiply parentheses

3n+12

Back to the equation:

-(3n+12)



We get rid of parentheses

-3n-12+45=0

We add all the numbers together, and all the variables

-3n+33=0

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

-3n=-33

n=-33/-3

n=+11

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