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1/2d=2/5
We move all terms to the left:
1/2d-(2/5)=0
Domain of the equation: 2d!=0We add all the numbers together, and all the variables
d!=0/2
d!=0
d∈R
1/2d-(+2/5)=0
We get rid of parentheses
1/2d-2/5=0
We calculate fractions
There is no solution for this equation
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