7(-4-k)=-91

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Solution for 7(-4-k)=-91 equation: 


k in (-oo:+oo)

7*(-k-4) = -91 // + 91

7*(-k-4)+91 = 0

7*(-k-4)+91 = 0

63-7*k = 0

63-7*k = 0

63-7*k = 0 // - 63

-7*k = -63 // : -7

k = -63/(-7)

k = 9

k = 9

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