4b-12=42

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Solution for 4b-12=42 equation: 



4b-12=42

We move all terms to the left:

4b-12-(42)=0

We add all the numbers together, and all the variables

4b-54=0

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

4b=54

b=54/4

b=13+1/2

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