3k-3+7k=77

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Solution for 3k-3+7k=77 equation: 


k in (-oo:+oo)

3*k+7*k-3 = 77 // - 77

3*k+7*k-77-3 = 0

10*k-80 = 0 // + 80

10*k = 80 // : 10

k = 80/10

k = 8

k = 8

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