1/7d=-1/9

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Solution for 1/7d=-1/9 equation: 



1/7d=-1/9

We move all terms to the left:

1/7d-(-1/9)=0



Domain of the equation: 7d!=0

d!=0/7

d!=0

d∈R



We get rid of parentheses

1/7d+1/9=0

We calculate fractions

There is no solution for this equation

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