k/2-4k/5-4 - solution

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Solution for k/2-4k/5-4 equation:

k in (-oo:+oo)

k/2-((4*k)/5)-4 = 0

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

-3/10*k-4 = 0 // + 4

-3/10*k = 4 // : -3/10

k = 4/(-3/10)

k = -40/3

k = -40/3

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