-2=b-1

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Solution for -2=b-1 equation: 



-2=b-1

We move all terms to the left:

-2-(b-1)=0

We get rid of parentheses

-b+1-2=0

We add all the numbers together, and all the variables

-1b-1=0

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

-b=1

b=1/-1

b=-1

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