7w=-81-2w

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Solution for 7w=-81-2w equation: 



7w=-81-2w

We move all terms to the left:

7w-(-81-2w)=0

We add all the numbers together, and all the variables

7w-(-2w-81)=0

We get rid of parentheses

7w+2w+81=0

We add all the numbers together, and all the variables

9w+81=0

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

9w=-81

w=-81/9

w=-9

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