3b+9=-6

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Solution for 3b+9=-6 equation: 



3b+9=-6

We move all terms to the left:

3b+9-(-6)=0

We add all the numbers together, and all the variables

3b+15=0

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

3b=-15

b=-15/3

b=-5

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