6b-9=3b+18

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Solution for 6b-9=3b+18 equation: 



6b-9=3b+18

We move all terms to the left:

6b-9-(3b+18)=0

We get rid of parentheses

6b-3b-18-9=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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