48/42=8/k

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Solution for 48/42=8/k equation: 


D( k )

k = 0

k = 0

k = 0

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

48/42 = 8/k // - 8/k

48/42-(8/k) = 0

48/42-8*k^-1 = 0

-8*k^-1 = -8/7 // : -8

k^-1 = 1/7

-1 < 0

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

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

7 = k^1

k = 7

k = 7

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