2b-6+b-6=42

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Solution for 2b-6+b-6=42 equation: 



2b-6+b-6=42

We move all terms to the left:

2b-6+b-6-(42)=0

We add all the numbers together, and all the variables

3b-54=0

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

3b=54

b=54/3

b=18

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