-(3-b)=9

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Solution for -(3-b)=9 equation: 



-(3-b)=9

We move all terms to the left:

-(3-b)-(9)=0

We add all the numbers together, and all the variables

-(-1b+3)-9=0

We get rid of parentheses

1b-3-9=0

We add all the numbers together, and all the variables

b-12=0

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

b=12

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