18+7n=-3(n+4)+4n

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Solution for 18+7n=-3(n+4)+4n equation: 



18+7n=-3(n+4)+4n

We move all terms to the left:

18+7n-(-3(n+4)+4n)=0



We calculate terms in parentheses: -(-3(n+4)+4n), so:

-3(n+4)+4n

We add all the numbers together, and all the variables

4n-3(n+4)

We multiply parentheses

4n-3n-12

We add all the numbers together, and all the variables

n-12

Back to the equation:

-(n-12)



We get rid of parentheses

7n-n+12+18=0

We add all the numbers together, and all the variables

6n+30=0

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

6n=-30

n=-30/6

n=-5

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