3b+7=30

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Solution for 3b+7=30 equation: 



3b+7=30

We move all terms to the left:

3b+7-(30)=0

We add all the numbers together, and all the variables

3b-23=0

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

3b=23

b=23/3

b=7+2/3

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