3b+9=-31

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Solution for 3b+9=-31 equation: 



3b+9=-31

We move all terms to the left:

3b+9-(-31)=0

We add all the numbers together, and all the variables

3b+40=0

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

3b=-40

b=-40/3

b=-13+1/3

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