30/d=0.8

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Solution for 30/d=0.8 equation: 



30/d=0.8

We move all terms to the left:

30/d-(0.8)=0



Domain of the equation: d!=0

d∈R



We add all the numbers together, and all the variables

30/d-0.8=0

We multiply all the terms by the denominator


-(0.8)*d+30=0

We multiply parentheses

-0.8d+30=0

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

-0.8d=-30

d=-30/-0.8

d=37+0.4/0.8

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