39=7k+3k+9

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Solution for 39=7k+3k+9 equation: 


k in (-oo:+oo)

39 = 7*k+3*k+9 // - 7*k+3*k+9

39-(7*k)-(3*k)-9 = 0

39-7*k-3*k-9 = 0

30-10*k = 0 // - 30

-10*k = -30 // : -10

k = -30/(-10)

k = 3

k = 3

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