31b+30=9b

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Solution for 31b+30=9b equation: 



31b+30=9b

We move all terms to the left:

31b+30-(9b)=0

We add all the numbers together, and all the variables

22b+30=0

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

22b=-30

b=-30/22

b=-1+4/11

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