3(9+7k)=-141

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Solution for 3(9+7k)=-141 equation: 


k in (-oo:+oo)

3*(7*k+9) = -141 // + 141

3*(7*k+9)+141 = 0

3*(7*k+9)+141 = 0

21*k+168 = 0

21*k+168 = 0

21*k+168 = 0 // - 168

21*k = -168 // : 21

k = -168/21

k = -8

k = -8

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