B-(-1)+2b=31

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Solution for B-(-1)+2b=31 equation: 



-(-1)+2B=31

We move all terms to the left:

-(-1)+2B-(31)=0

determiningTheFunctionDomain
2B-31-(-1)=0

We add all the numbers together, and all the variables

2B-30=0

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

2B=30

B=30/2

B=15

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