9(w-1)=-90

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Solution for 9(w-1)=-90 equation: 



9(w-1)=-90

We move all terms to the left:

9(w-1)-(-90)=0

We add all the numbers together, and all the variables

9(w-1)+90=0

We multiply parentheses

9w-9+90=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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