4b+20=b+47

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Solution for 4b+20=b+47 equation: 



4b+20=b+47

We move all terms to the left:

4b+20-(b+47)=0

We get rid of parentheses

4b-b-47+20=0

We add all the numbers together, and all the variables

3b-27=0

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

3b=27

b=27/3

b=9

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