-3=7/k

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Solution for -3=7/k equation: 


D( k )

k = 0

k = 0

k = 0

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

-3 = 7/k // - 7/k

-(7/k)-3 = 0

-7*k^-1-3 = 0

-7*k^-1 = 3 // : -7

k^-1 = -3/7

-1 < 0

1/(k^1) = -3/7 // * k^1

1 = -3/7*k^1 // : -3/7

-7/3 = k^1

k = -7/3

k = -7/3

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