3/5-4k-1/2k=-489/10

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Solution for 3/5-4k-1/2k=-489/10 equation: 


k in (-oo:+oo)

3/5-(4*k)-((1/2)*k) = -489/10 // + -489/10

3/5-(4*k)-((1/2)*k)-(-489/10) = 0

(-1/2)*k-4*k+3/5+489/10 = 0

99/2-9/2*k = 0 // - 99/2

-9/2*k = -99/2 // : -9/2

k = -99/2/(-9/2)

k = 11

k = 11

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