b-2.5=18.9

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Solution for b-2.5=18.9 equation: 



b-2.5=18.9

We move all terms to the left:

b-2.5-(18.9)=0

We add all the numbers together, and all the variables

b-21.4=0

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

b=21.4

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