12n-3(2n+6)=30

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Solution for 12n-3(2n+6)=30 equation: 



12n-3(2n+6)=30

We move all terms to the left:

12n-3(2n+6)-(30)=0

We multiply parentheses

12n-6n-18-30=0

We add all the numbers together, and all the variables

6n-48=0

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

6n=48

n=48/6

n=8

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