2/5+5k+3/4k=813/20

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Solution for 2/5+5k+3/4k=813/20 equation: 


k in (-oo:+oo)

5*k+(3/4)*k+2/5 = 813/20 // - 813/20

5*k+(3/4)*k+2/5-(813/20) = 0

5*k+(3/4)*k+2/5-813/20 = 0

23/4*k-161/4 = 0 // + 161/4

23/4*k = 161/4 // : 23/4

k = 161/4/23/4

k = 7

k = 7

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