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2/d=0.4/5
We move all terms to the left:
2/d-(0.4/5)=0
Domain of the equation: d!=0We add all the numbers together, and all the variables
d∈R
2/d-(+0.4/5)=0
We get rid of parentheses
2/d-0.4/5=0
We calculate fractions
There is no solution for this equation
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