13-3n=4(n-2)

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Solution for 13-3n=4(n-2) equation: 



13-3n=4(n-2)

We move all terms to the left:

13-3n-(4(n-2))=0



We calculate terms in parentheses: -(4(n-2)), so:

4(n-2)

We multiply parentheses

4n-8

Back to the equation:

-(4n-8)



We get rid of parentheses

-3n-4n+8+13=0

We add all the numbers together, and all the variables

-7n+21=0

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

-7n=-21

n=-21/-7

n=+3

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