-2=1+b

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Solution for -2=1+b equation: 



-2=1+b

We move all terms to the left:

-2-(1+b)=0

We add all the numbers together, and all the variables

-(b+1)-2=0

We get rid of parentheses

-b-1-2=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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