7k+4+6k=121

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Solution for 7k+4+6k=121 equation: 


k in (-oo:+oo)

7*k+6*k+4 = 121 // - 121

7*k+6*k-121+4 = 0

13*k-117 = 0 // + 117

13*k = 117 // : 13

k = 117/13

k = 9

k = 9

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