7k+8=57

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Solution for 7k+8=57 equation: 


k in (-oo:+oo)

7*k+8 = 57 // - 57

7*k-57+8 = 0

7*k-49 = 0 // + 49

7*k = 49 // : 7

k = 49/7

k = 7

k = 7

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