9/k-7=6/k

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Solution for 9/k-7=6/k equation: 


D( k )

k = 0

k = 0

k = 0

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

9/k-7 = 6/k // - 6/k

9/k-(6/k)-7 = 0

9/k-6*k^-1-7 = 0

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

k^-1 = 7/3

-1 < 0

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

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

3/7 = k^1

k = 3/7

k = 3/7

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