9=3(b+9)-6

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Solution for 9=3(b+9)-6 equation: 



9=3(b+9)-6

We move all terms to the left:

9-(3(b+9)-6)=0



We calculate terms in parentheses: -(3(b+9)-6), so:

3(b+9)-6

We multiply parentheses

3b+27-6

We add all the numbers together, and all the variables

3b+21

Back to the equation:

-(3b+21)



We get rid of parentheses

-3b-21+9=0

We add all the numbers together, and all the variables

-3b-12=0

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

-3b=12

b=12/-3

b=-4

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