2b-1=39

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Solution for 2b-1=39 equation: 



2b-1=39

We move all terms to the left:

2b-1-(39)=0

We add all the numbers together, and all the variables

2b-40=0

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

2b=40

b=40/2

b=20

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