13/d=7

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Solution for 13/d=7 equation:


D( d )

d = 0

d = 0

d = 0

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

13/d = 7 // - 7

13/d-7 = 0

13*d^-1 = 7 // : 13

d^-1 = 7/13

-1 < 0

1/(d^1) = 7/13 // * d^1

1 = 7/13*d^1 // : 7/13

13/7 = d^1

d = 13/7

d = 13/7

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