6=-3(-7+n)

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



6=-3(-7+n)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-3(n-7)

We multiply parentheses

-3n+21

Back to the equation:

-(-3n+21)



We get rid of parentheses

3n-21+6=0

We add all the numbers together, and all the variables

3n-15=0

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

3n=15

n=15/3

n=5

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