189=-7(3n-6)

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Solution for 189=-7(3n-6) equation: 



189=-7(3n-6)

We move all terms to the left:

189-(-7(3n-6))=0



We calculate terms in parentheses: -(-7(3n-6)), so:

-7(3n-6)

We multiply parentheses

-21n+42

Back to the equation:

-(-21n+42)



We get rid of parentheses

21n-42+189=0

We add all the numbers together, and all the variables

21n+147=0

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

21n=-147

n=-147/21

n=-7

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