-1+7k=55

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Solution for -1+7k=55 equation: 


k in (-oo:+oo)

7*k-1 = 55 // - 55

7*k-55-1 = 0

7*k-56 = 0 // + 56

7*k = 56 // : 7

k = 56/7

k = 8

k = 8

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