4-3b=31

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Solution for 4-3b=31 equation: 



4-3b=31

We move all terms to the left:

4-3b-(31)=0

We add all the numbers together, and all the variables

-3b-27=0

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

-3b=27

b=27/-3

b=-9

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