-3(7b-2)=-99

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Solution for -3(7b-2)=-99 equation: 



-3(7b-2)=-99

We move all terms to the left:

-3(7b-2)-(-99)=0

We add all the numbers together, and all the variables

-3(7b-2)+99=0

We multiply parentheses

-21b+6+99=0

We add all the numbers together, and all the variables

-21b+105=0

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

-21b=-105

b=-105/-21

b=+5

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