-309=-7(7n-6)-8

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Solution for -309=-7(7n-6)-8 equation: 



-309=-7(7n-6)-8

We move all terms to the left:

-309-(-7(7n-6)-8)=0



We calculate terms in parentheses: -(-7(7n-6)-8), so:

-7(7n-6)-8

We multiply parentheses

-49n+42-8

We add all the numbers together, and all the variables

-49n+34

Back to the equation:

-(-49n+34)



We get rid of parentheses

49n-34-309=0

We add all the numbers together, and all the variables

49n-343=0

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

49n=343

n=343/49

n=7

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