7/k=5/9

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Solution for 7/k=5/9 equation: 


D( k )

k = 0

k = 0

k = 0

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

7/k = 5/9 // - 5/9

7/k-(5/9) = 0

7/k-5/9 = 0

7*k^-1 = 5/9 // : 7

k^-1 = 5/63

-1 < 0

1/(k^1) = 5/63 // * k^1

1 = 5/63*k^1 // : 5/63

63/5 = k^1

k = 63/5

k = 63/5

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