19=2k+7k+1

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Solution for 19=2k+7k+1 equation: 


k in (-oo:+oo)

19 = 2*k+7*k+1 // - 2*k+7*k+1

19-(2*k)-(7*k)-1 = 0

19-2*k-7*k-1 = 0

18-9*k = 0 // - 18

-9*k = -18 // : -9

k = -18/(-9)

k = 2

k = 2

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