-161=-7(-1+4n)

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Solution for -161=-7(-1+4n) equation: 



-161=-7(-1+4n)

We move all terms to the left:

-161-(-7(-1+4n))=0

We add all the numbers together, and all the variables

-(-7(4n-1))-161=0



We calculate terms in parentheses: -(-7(4n-1)), so:

-7(4n-1)

We multiply parentheses

-28n+7

Back to the equation:

-(-28n+7)



We get rid of parentheses

28n-7-161=0

We add all the numbers together, and all the variables

28n-168=0

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

28n=168

n=168/28

n=6

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