3b-6=b+9

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



3b-6=b+9

We move all terms to the left:

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

We get rid of parentheses

3b-b-9-6=0

We add all the numbers together, and all the variables

2b-15=0

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

2b=15

b=15/2

b=7+1/2

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