-4=(b-1)

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Solution for -4=(b-1) equation: 



-4=(b-1)

We move all terms to the left:

-4-((b-1))=0



We calculate terms in parentheses: -((b-1)), so:

(b-1)

We get rid of parentheses

b-1

Back to the equation:

-(b-1)



We get rid of parentheses

-b+1-4=0

We add all the numbers together, and all the variables

-1b-3=0

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

-b=3

b=3/-1

b=-3

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