7(6+2b)=-9-3b

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Solution for 7(6+2b)=-9-3b equation: 



7(6+2b)=-9-3b

We move all terms to the left:

7(6+2b)-(-9-3b)=0

We add all the numbers together, and all the variables

7(2b+6)-(-3b-9)=0

We multiply parentheses

14b-(-3b-9)+42=0

We get rid of parentheses

14b+3b+9+42=0

We add all the numbers together, and all the variables

17b+51=0

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

17b=-51

b=-51/17

b=-3

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