7+8n=-81

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Solution for 7+8n=-81 equation: 



7+8n=-81

We move all terms to the left:

7+8n-(-81)=0

We add all the numbers together, and all the variables

8n+88=0

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

8n=-88

n=-88/8

n=-11

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