8/k-7=2/5

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Solution for 8/k-7=2/5 equation: 


D( k )

k = 0

k = 0

k = 0

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

8/k-7 = 2/5 // - 2/5

8/k-(2/5)-7 = 0

8/k-2/5-7 = 0

8*k^-1 = 37/5 // : 8

k^-1 = 37/40

-1 < 0

1/(k^1) = 37/40 // * k^1

1 = 37/40*k^1 // : 37/40

40/37 = k^1

k = 40/37

k = 40/37

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