6n-9=12

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Solution for 6n-9=12 equation: 



6n-9=12

We move all terms to the left:

6n-9-(12)=0

We add all the numbers together, and all the variables

6n-21=0

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

6n=21

n=21/6

n=3+1/2

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