4-2b=30

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Solution for 4-2b=30 equation: 



4-2b=30

We move all terms to the left:

4-2b-(30)=0

We add all the numbers together, and all the variables

-2b-26=0

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

-2b=26

b=26/-2

b=-13

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