7/10d=21/10

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Solution for 7/10d=21/10 equation: 



7/10d=21/10

We move all terms to the left:

7/10d-(21/10)=0



Domain of the equation: 10d!=0

d!=0/10

d!=0

d∈R



We add all the numbers together, and all the variables

7/10d-(+21/10)=0

We get rid of parentheses

7/10d-21/10=0

We calculate fractions


=0

d=0/1

d=0

Równanie nie ma rozwiązania

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