31+(47+77)=(31+n)+77

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Solution for 31+(47+77)=(31+n)+77 equation: 



31+(47+77)=(31+n)+77

We move all terms to the left:

31+(47+77)-((31+n)+77)=0

We add all the numbers together, and all the variables

-((n+31)+77)+31+124=0

We add all the numbers together, and all the variables

-((n+31)+77)+155=0



We calculate terms in parentheses: -((n+31)+77), so:

(n+31)+77

We get rid of parentheses

n+31+77

We add all the numbers together, and all the variables

n+108

Back to the equation:

-(n+108)



We get rid of parentheses

-n-108+155=0

We add all the numbers together, and all the variables

-1n+47=0

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

-n=-47

n=-47/-1

n=+47

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