-155=7(1-3n)-6n

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Solution for -155=7(1-3n)-6n equation: 



-155=7(1-3n)-6n

We move all terms to the left:

-155-(7(1-3n)-6n)=0

We add all the numbers together, and all the variables

-(7(-3n+1)-6n)-155=0



We calculate terms in parentheses: -(7(-3n+1)-6n), so:

7(-3n+1)-6n

We add all the numbers together, and all the variables

-6n+7(-3n+1)

We multiply parentheses

-6n-21n+7

We add all the numbers together, and all the variables

-27n+7

Back to the equation:

-(-27n+7)



We get rid of parentheses

27n-7-155=0

We add all the numbers together, and all the variables

27n-162=0

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

27n=162

n=162/27

n=6

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