-9-7b=-149

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Solution for -9-7b=-149 equation: 



-9-7b=-149

We move all terms to the left:

-9-7b-(-149)=0

We add all the numbers together, and all the variables

-7b+140=0

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

-7b=-140

b=-140/-7

b=+20

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