(n+10)+2n+n=180

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Solution for (n+10)+2n+n=180 equation: 



(n+10)+2n+n=180

We move all terms to the left:

(n+10)+2n+n-(180)=0

We add all the numbers together, and all the variables

3n+(n+10)-180=0

We get rid of parentheses

3n+n+10-180=0

We add all the numbers together, and all the variables

4n-170=0

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

4n=170

n=170/4

n=42+1/2

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