9+3b=-2(-4b+4)+2

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Solution for 9+3b=-2(-4b+4)+2 equation: 



9+3b=-2(-4b+4)+2

We move all terms to the left:

9+3b-(-2(-4b+4)+2)=0



We calculate terms in parentheses: -(-2(-4b+4)+2), so:

-2(-4b+4)+2

We multiply parentheses

8b-8+2

We add all the numbers together, and all the variables

8b-6

Back to the equation:

-(8b-6)



We get rid of parentheses

3b-8b+6+9=0

We add all the numbers together, and all the variables

-5b+15=0

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

-5b=-15

b=-15/-5

b=+3

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