2b+7=20

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Solution for 2b+7=20 equation: 



2b+7=20

We move all terms to the left:

2b+7-(20)=0

We add all the numbers together, and all the variables

2b-13=0

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

2b=13

b=13/2

b=6+1/2

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