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

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



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

We move all terms to the left:

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

We multiply parentheses

-3w-(-9w+21)+27=0

We get rid of parentheses

-3w+9w-21+27=0

We add all the numbers together, and all the variables

6w+6=0

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

6w=-6

w=-6/6

w=-1

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