(3n-18)=2n-4(-2n)

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Solution for (3n-18)=2n-4(-2n) equation: 



(3n-18)=2n-4(-2n)

We move all terms to the left:

(3n-18)-(2n-4(-2n))=0

We get rid of parentheses

3n-(2n-4(-2n))-18=0



We calculate terms in parentheses: -(2n-4(-2n)), so:

2n-4(-2n)

We multiply parentheses

2n+8n

We add all the numbers together, and all the variables

10n

Back to the equation:

-(10n)



We add all the numbers together, and all the variables

-7n-18=0

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

-7n=18

n=18/-7

n=-2+4/7

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