3(2n)=9n-3(n-3)

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Solution for 3(2n)=9n-3(n-3) equation: 



3(2n)=9n-3(n-3)

We move all terms to the left:

3(2n)-(9n-3(n-3))=0



We calculate terms in parentheses: -(9n-3(n-3)), so:

9n-3(n-3)

We multiply parentheses

9n-3n+9

We add all the numbers together, and all the variables

6n+9

Back to the equation:

-(6n+9)



We get rid of parentheses

32n-6n-9=0

We add all the numbers together, and all the variables

26n-9=0

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

26n=9

n=9/26

n=9/26

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