(n+45)+n=85

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Solution for (n+45)+n=85 equation: 



(n+45)+n=85

We move all terms to the left:

(n+45)+n-(85)=0

We add all the numbers together, and all the variables

n+(n+45)-85=0

We get rid of parentheses

n+n+45-85=0

We add all the numbers together, and all the variables

2n-40=0

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

2n=40

n=40/2

n=20

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