-(b-1)=-1

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Solution for -(b-1)=-1 equation: 



-(b-1)=-1

We move all terms to the left:

-(b-1)-(-1)=0

We add all the numbers together, and all the variables

-(b-1)+1=0

We get rid of parentheses

-b+1+1=0

We add all the numbers together, and all the variables

-1b+2=0

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

-b=-2

b=-2/-1

b=+2

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