9(n+7)=-18

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Solution for 9(n+7)=-18 equation: 



9(n+7)=-18

We move all terms to the left:

9(n+7)-(-18)=0

We add all the numbers together, and all the variables

9(n+7)+18=0

We multiply parentheses

9n+63+18=0

We add all the numbers together, and all the variables

9n+81=0

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

9n=-81

n=-81/9

n=-9

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