b/3-0.9=0.4

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Solution for b/3-0.9=0.4 equation: 



b/3-0.9=0.4

We move all terms to the left:

b/3-0.9-(0.4)=0

We add all the numbers together, and all the variables

b/3-1.3=0

We multiply all the terms by the denominator


b-(1.3)*3=0

We add all the numbers together, and all the variables

b-3.9=0

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

b=3.9

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