7/4K-9

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Solution for 7/4K-9 equation: 


K in (-oo:+oo)

(7/4)*K-9 = 0

7/4*K-9 = 0 // + 9

7/4*K = 9 // : 7/4

K = 9/7/4

K = 36/7

K = 36/7

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