9b+18=6b-30

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Solution for 9b+18=6b-30 equation: 



9b+18=6b-30

We move all terms to the left:

9b+18-(6b-30)=0

We get rid of parentheses

9b-6b+30+18=0

We add all the numbers together, and all the variables

3b+48=0

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

3b=-48

b=-48/3

b=-16

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