5/d=-7

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Solution for 5/d=-7 equation: 


D( d )

d = 0

d = 0

d = 0

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

5/d = -7 // + 7

5/d+7 = 0

5*d^-1 = -7 // : 5

d^-1 = -7/5

-1 < 0

1/(d^1) = -7/5 // * d^1

1 = -7/5*d^1 // : -7/5

-5/7 = d^1

d = -5/7

d = -5/7

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