1+2/7k+2/3k=16/21

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Solution for 1+2/7k+2/3k=16/21 equation: 


k in (-oo:+oo)

(2/7)*k+(2/3)*k+1 = 16/21 // - 16/21

(2/7)*k+(2/3)*k-(16/21)+1 = 0

(2/7)*k+(2/3)*k-16/21+1 = 0

20/21*k+5/21 = 0 // - 5/21

20/21*k = -5/21 // : 20/21

k = -5/21/20/21

k = -1/4

k = -1/4

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