19-7b=-30

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Solution for 19-7b=-30 equation: 



19-7b=-30

We move all terms to the left:

19-7b-(-30)=0

We add all the numbers together, and all the variables

-7b+49=0

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

-7b=-49

b=-49/-7

b=+7

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