12+4n=5(3+n)

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Solution for 12+4n=5(3+n) equation: 



12+4n=5(3+n)

We move all terms to the left:

12+4n-(5(3+n))=0

We add all the numbers together, and all the variables

4n-(5(n+3))+12=0



We calculate terms in parentheses: -(5(n+3)), so:

5(n+3)

We multiply parentheses

5n+15

Back to the equation:

-(5n+15)



We get rid of parentheses

4n-5n-15+12=0

We add all the numbers together, and all the variables

-1n-3=0

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

-n=3

n=3/-1

n=-3

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