3(-7k+7)=-105

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Solution for 3(-7k+7)=-105 equation: 


k in (-oo:+oo)

3*(7-7*k) = -105 // + 105

3*(7-7*k)+105 = 0

3*(7-7*k)+105 = 0

126-21*k = 0

126-21*k = 0

126-21*k = 0 // - 126

-21*k = -126 // : -21

k = -126/(-21)

k = 6

k = 6

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