14/49=2/d

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Solution for 14/49=2/d equation: 


D( d )

d = 0

d = 0

d = 0

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

14/49 = 2/d // - 2/d

14/49-(2/d) = 0

14/49-2*d^-1 = 0

-2*d^-1 = -2/7 // : -2

d^-1 = 1/7

-1 < 0

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

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

7 = d^1

d = 7

d = 7

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