(27+n)+(n+n)=57

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Solution for (27+n)+(n+n)=57 equation: 



(27+n)+(n+n)=57

We move all terms to the left:

(27+n)+(n+n)-(57)=0

We add all the numbers together, and all the variables

(n+27)+(+2n)-57=0

We get rid of parentheses

n+2n+27-57=0

We add all the numbers together, and all the variables

3n-30=0

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

3n=30

n=30/3

n=10

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