2b-7-4b=30

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Solution for 2b-7-4b=30 equation: 



2b-7-4b=30

We move all terms to the left:

2b-7-4b-(30)=0

We add all the numbers together, and all the variables

-2b-37=0

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

-2b=37

b=37/-2

b=-18+1/2

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