-2k+4+7k=49

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Solution for -2k+4+7k=49 equation: 


k in (-oo:+oo)

7*k-2*k+4 = 49 // - 49

7*k-2*k-49+4 = 0

5*k-45 = 0 // + 45

5*k = 45 // : 5

k = 45/5

k = 9

k = 9

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