7(-7k-4)=-77

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Solution for 7(-7k-4)=-77 equation: 


k in (-oo:+oo)

7*(-7*k-4) = -77 // + 77

7*(-7*k-4)+77 = 0

7*(-7*k-4)+77 = 0

49-49*k = 0

49-49*k = 0

49-49*k = 0 // - 49

-49*k = -49 // : -49

k = -49/(-49)

k = 1

k = 1

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