-2+b/21=-1

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Solution for -2+b/21=-1 equation: 



-2+b/21=-1

We move all terms to the left:

-2+b/21-(-1)=0

We add all the numbers together, and all the variables

b/21-1=0

We multiply all the terms by the denominator


b-1*21=0

We add all the numbers together, and all the variables

b-21=0

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

b=21

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