9(4+n)=81,n=

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Solution for 9(4+n)=81,n= equation: 



9(4+n)=81.n=

We move all terms to the left:

9(4+n)-(81.n)=0

We add all the numbers together, and all the variables

9(n+4)-(+81.n)=0

We multiply parentheses

9n-(+81.n)+36=0

We get rid of parentheses

9n-81.n+36=0

We add all the numbers together, and all the variables

-72n+36=0

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

-72n=-36

n=-36/-72

n=1/2

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