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3/d=3.8
We move all terms to the left:
3/d-(3.8)=0
Domain of the equation: d!=0We add all the numbers together, and all the variables
d∈R
3/d-3.8=0
We multiply all the terms by the denominator
-(3.8)*d+3=0
We multiply parentheses
-3.8d+3=0
We move all terms containing d to the left, all other terms to the right
-3.8d=-3
d=-3/-3.8
d=1/1.2666666666667
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