-31-5n=7(1+2n)

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Solution for -31-5n=7(1+2n) equation: 



-31-5n=7(1+2n)

We move all terms to the left:

-31-5n-(7(1+2n))=0

We add all the numbers together, and all the variables

-5n-(7(2n+1))-31=0



We calculate terms in parentheses: -(7(2n+1)), so:

7(2n+1)

We multiply parentheses

14n+7

Back to the equation:

-(14n+7)



We get rid of parentheses

-5n-14n-7-31=0

We add all the numbers together, and all the variables

-19n-38=0

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

-19n=38

n=38/-19

n=-2

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