N+3=-12-2n

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Solution for N+3=-12-2n equation: 



+3=-12-2N

We move all terms to the left:

+3-(-12-2N)=0

We add all the numbers together, and all the variables

-(-2N-12)+3=0

We get rid of parentheses

2N+12+3=0

We add all the numbers together, and all the variables

2N+15=0

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

2N=-15

N=-15/2

N=-7+1/2

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