9n+18=-3

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Solution for 9n+18=-3 equation: 



9n+18=-3

We move all terms to the left:

9n+18-(-3)=0

We add all the numbers together, and all the variables

9n+21=0

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

9n=-21

n=-21/9

n=-2+1/3

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