3b+12=20

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Solution for 3b+12=20 equation: 



3b+12=20

We move all terms to the left:

3b+12-(20)=0

We add all the numbers together, and all the variables

3b-8=0

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

3b=8

b=8/3

b=2+2/3

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