2/7k-1/4k=-3

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Solution for 2/7k-1/4k=-3 equation: 


k in (-oo:+oo)

(2/7)*k-((1/4)*k) = -3 // + 3

(2/7)*k-((1/4)*k)+3 = 0

(2/7)*k+(-1/4)*k+3 = 0

1/28*k+3 = 0 // - 3

1/28*k = -3 // : 1/28

k = -3/1/28

k = -84

k = -84

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