-22=-21-b

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Solution for -22=-21-b equation: 



-22=-21-b

We move all terms to the left:

-22-(-21-b)=0

We add all the numbers together, and all the variables

-(-1b-21)-22=0

We get rid of parentheses

1b+21-22=0

We add all the numbers together, and all the variables

b-1=0

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

b=1

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