2(2b+3)=42

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Solution for 2(2b+3)=42 equation: 



2(2b+3)=42

We move all terms to the left:

2(2b+3)-(42)=0

We multiply parentheses

4b+6-42=0

We add all the numbers together, and all the variables

4b-36=0

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

4b=36

b=36/4

b=9

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