3n-12=-15

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Solution for 3n-12=-15 equation: 



3n-12=-15

We move all terms to the left:

3n-12-(-15)=0

We add all the numbers together, and all the variables

3n+3=0

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

3n=-3

n=-3/3

n=-1

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