3=3/7d

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Solution for 3=3/7d equation: 



3=3/7d

We move all terms to the left:

3-(3/7d)=0



Domain of the equation: 7d)!=0

d!=0/1

d!=0

d∈R



We add all the numbers together, and all the variables

-(+3/7d)+3=0

We get rid of parentheses

-3/7d+3=0

We multiply all the terms by the denominator


3*7d-3=0

Wy multiply elements

21d-3=0

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

21d=3

d=3/21

d=1/7

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