161=-7(1+3n)

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Solution for 161=-7(1+3n) equation: 



161=-7(1+3n)

We move all terms to the left:

161-(-7(1+3n))=0

We add all the numbers together, and all the variables

-(-7(3n+1))+161=0



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

-7(3n+1)

We multiply parentheses

-21n-7

Back to the equation:

-(-21n-7)



We get rid of parentheses

21n+7+161=0

We add all the numbers together, and all the variables

21n+168=0

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

21n=-168

n=-168/21

n=-8

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