12b-3b+5=-31

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Solution for 12b-3b+5=-31 equation: 



12b-3b+5=-31

We move all terms to the left:

12b-3b+5-(-31)=0

We add all the numbers together, and all the variables

9b+36=0

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

9b=-36

b=-36/9

b=-4

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