5/7d=20

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Solution for 5/7d=20 equation: 



5/7d=20

We move all terms to the left:

5/7d-(20)=0



Domain of the equation: 7d!=0

d!=0/7

d!=0

d∈R



We multiply all the terms by the denominator


-20*7d+5=0

Wy multiply elements

-140d+5=0

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

-140d=-5

d=-5/-140

d=1/28

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