3.9+b=4.5

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Solution for 3.9+b=4.5 equation: 



3.9+b=4.5

We move all terms to the left:

3.9+b-(4.5)=0

We add all the numbers together, and all the variables

b-0.6=0

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

b=0.6

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