4/9=39/d

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Solution for 4/9=39/d equation: 


D( d )

d = 0

d = 0

d = 0

d in (-oo:0) U (0:+oo)

4/9 = 39/d // - 39/d

4/9-(39/d) = 0

4/9-39*d^-1 = 0

-39*d^-1 = -4/9 // : -39

d^-1 = 4/351

-1 < 0

1/(d^1) = 4/351 // * d^1

1 = 4/351*d^1 // : 4/351

351/4 = d^1

d = 351/4

d = 351/4

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