189=-7(-6+7n)

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Solution for 189=-7(-6+7n) equation: 



189=-7(-6+7n)

We move all terms to the left:

189-(-7(-6+7n))=0

We add all the numbers together, and all the variables

-(-7(7n-6))+189=0



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

-7(7n-6)

We multiply parentheses

-49n+42

Back to the equation:

-(-49n+42)



We get rid of parentheses

49n-42+189=0

We add all the numbers together, and all the variables

49n+147=0

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

49n=-147

n=-147/49

n=-3

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