3/d=7/9

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Solution for 3/d=7/9 equation: 


D( d )

d = 0

d = 0

d = 0

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

3/d = 7/9 // - 7/9

3/d-(7/9) = 0

3/d-7/9 = 0

3*d^-1 = 7/9 // : 3

d^-1 = 7/27

-1 < 0

1/(d^1) = 7/27 // * d^1

1 = 7/27*d^1 // : 7/27

27/7 = d^1

d = 27/7

d = 27/7

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