9x+18=-81

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Solution for 9x+18=-81 equation: 



9x+18=-81

We move all terms to the left:

9x+18-(-81)=0

We add all the numbers together, and all the variables

9x+99=0

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

9x=-99

x=-99/9

x=-11

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