-18=-3(-6+n)

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Solution for -18=-3(-6+n) equation: 



-18=-3(-6+n)

We move all terms to the left:

-18-(-3(-6+n))=0

We add all the numbers together, and all the variables

-(-3(n-6))-18=0



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

-3(n-6)

We multiply parentheses

-3n+18

Back to the equation:

-(-3n+18)



We get rid of parentheses

3n-18-18=0

We add all the numbers together, and all the variables

3n-36=0

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

3n=36

n=36/3

n=12

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