12n-15=489

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Solution for 12n-15=489 equation: 



12n-15=489

We move all terms to the left:

12n-15-(489)=0

We add all the numbers together, and all the variables

12n-504=0

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

12n=504

n=504/12

n=42

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