9(w-1)=3w-21

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Solution for 9(w-1)=3w-21 equation: 



9(w-1)=3w-21

We move all terms to the left:

9(w-1)-(3w-21)=0

We multiply parentheses

9w-(3w-21)-9=0

We get rid of parentheses

9w-3w+21-9=0

We add all the numbers together, and all the variables

6w+12=0

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

6w=-12

w=-12/6

w=-2

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