3n-3(2n-1)=12

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Solution for 3n-3(2n-1)=12 equation: 



3n-3(2n-1)=12

We move all terms to the left:

3n-3(2n-1)-(12)=0

We multiply parentheses

3n-6n+3-12=0

We add all the numbers together, and all the variables

-3n-9=0

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

-3n=9

n=9/-3

n=-3

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