18-3n=-7(3-4n)+8n

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Solution for 18-3n=-7(3-4n)+8n equation: 



18-3n=-7(3-4n)+8n

We move all terms to the left:

18-3n-(-7(3-4n)+8n)=0

We add all the numbers together, and all the variables

-3n-(-7(-4n+3)+8n)+18=0



We calculate terms in parentheses: -(-7(-4n+3)+8n), so:

-7(-4n+3)+8n

We add all the numbers together, and all the variables

8n-7(-4n+3)

We multiply parentheses

8n+28n-21

We add all the numbers together, and all the variables

36n-21

Back to the equation:

-(36n-21)



We get rid of parentheses

-3n-36n+21+18=0

We add all the numbers together, and all the variables

-39n+39=0

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

-39n=-39

n=-39/-39

n=1

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