165=-3(1+7n)

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Solution for 165=-3(1+7n) equation: 



165=-3(1+7n)

We move all terms to the left:

165-(-3(1+7n))=0

We add all the numbers together, and all the variables

-(-3(7n+1))+165=0



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

-3(7n+1)

We multiply parentheses

-21n-3

Back to the equation:

-(-21n-3)



We get rid of parentheses

21n+3+165=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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