18+7n=4(3n-6)-4n

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Solution for 18+7n=4(3n-6)-4n equation: 



18+7n=4(3n-6)-4n

We move all terms to the left:

18+7n-(4(3n-6)-4n)=0



We calculate terms in parentheses: -(4(3n-6)-4n), so:

4(3n-6)-4n

We add all the numbers together, and all the variables

-4n+4(3n-6)

We multiply parentheses

-4n+12n-24

We add all the numbers together, and all the variables

8n-24

Back to the equation:

-(8n-24)



We get rid of parentheses

7n-8n+24+18=0

We add all the numbers together, and all the variables

-1n+42=0

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

-n=-42

n=-42/-1

n=+42

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