b/19-8b/19=21/19

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Solution for b/19-8b/19=21/19 equation: 



b/19-8b/19=21/19

We move all terms to the left:

b/19-8b/19-(21/19)=0

We add all the numbers together, and all the variables

b/19-8b/19-(+21/19)=0

We get rid of parentheses

b/19-8b/19-21/19=0

We multiply all the terms by the denominator


b-8b-21=0

We add all the numbers together, and all the variables

-7b-21=0

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

-7b=21

b=21/-7

b=-3

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