2+7k+4k=57

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Solution for 2+7k+4k=57 equation: 


k in (-oo:+oo)

7*k+4*k+2 = 57 // - 57

7*k+4*k-57+2 = 0

11*k-55 = 0 // + 55

11*k = 55 // : 11

k = 55/11

k = 5

k = 5

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