3n-12=5n+15

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Solution for 3n-12=5n+15 equation: 



3n-12=5n+15

We move all terms to the left:

3n-12-(5n+15)=0

We get rid of parentheses

3n-5n-15-12=0

We add all the numbers together, and all the variables

-2n-27=0

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

-2n=27

n=27/-2

n=-13+1/2

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