3+k+7k=43

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Solution for 3+k+7k=43 equation: 


k in (-oo:+oo)

k+7*k+3 = 43 // - 43

k+7*k-43+3 = 0

8*k-40 = 0 // + 40

8*k = 40 // : 8

k = 40/8

k = 5

k = 5

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