7+-2n=-14

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Solution for 7+-2n=-14 equation: 



7+-2n=-14

We move all terms to the left:

7+-2n-(-14)=0

We add all the numbers together, and all the variables

-2n+21=0

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

-2n=-21

n=-21/-2

n=10+1/2

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