7k-7=74-2k

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Solution for 7k-7=74-2k equation: 


k in (-oo:+oo)

7*k-7 = 74-(2*k) // - 74-(2*k)

7*k+2*k-74-7 = 0

9*k-81 = 0 // + 81

9*k = 81 // : 9

k = 81/9

k = 9

k = 9

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