178/21=k+4/7k+9

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Solution for 178/21=k+4/7k+9 equation: 


k in (-oo:+oo)

178/21 = k+(4/7)*k+9 // - k+(4/7)*k+9

178/21-k-((4/7)*k)-9 = 0

(-4/7)*k-k+178/21-9 = 0

-11/7*k-11/21 = 0 // + 11/21

-11/7*k = 11/21 // : -11/7

k = 11/21/(-11/7)

k = -1/3

k = -1/3

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