3/7=6/k-9

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Solution for 3/7=6/k-9 equation: 


D( k )

k = 0

k = 0

k = 0

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

3/7 = 6/k-9 // - 6/k-9

3/7-(6/k)+9 = 0

3/7-6*k^-1+9 = 0

-6*k^-1 = -66/7 // : -6

k^-1 = 11/7

-1 < 0

1/(k^1) = 11/7 // * k^1

1 = 11/7*k^1 // : 11/7

7/11 = k^1

k = 7/11

k = 7/11

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