3(b+3)-6=-12

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Solution for 3(b+3)-6=-12 equation: 



3(b+3)-6=-12

We move all terms to the left:

3(b+3)-6-(-12)=0

We add all the numbers together, and all the variables

3(b+3)+6=0

We multiply parentheses

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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