4/5d=400

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Solution for 4/5d=400 equation: 



4/5d=400

We move all terms to the left:

4/5d-(400)=0



Domain of the equation: 5d!=0

d!=0/5

d!=0

d∈R



We multiply all the terms by the denominator


-400*5d+4=0

Wy multiply elements

-2000d+4=0

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

-2000d=-4

d=-4/-2000

d=1/500

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