39/5=-18k/5-4/5(-7k-1)

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Solution for 39/5=-18k/5-4/5(-7k-1) equation: 


k in (-oo:+oo)

39/5 = (-18*k)/5-((4/5)*(-7*k-1)) // - (-18*k)/5-((4/5)*(-7*k-1))

(4/5)*(-7*k-1)-((-18*k)/5)+39/5 = 0

(4/5)*(-7*k-1)+(18/5)*k+39/5 = 0

4/5*(-7*k-1)+(18*k)/5+39/5 = 0

(4/5*5*(-7*k-1))/5+(18*k)/5+39/5 = 0

4/5*5*(-7*k-1)+18*k+39 = 0

39-10*k-4 = 0

35-10*k = 0

(35-10*k)/5 = 0

(35-10*k)/5 = 0 // * 5

35-10*k = 0

35-10*k = 0 // - 35

-10*k = -35 // : -10

k = -35/(-10)

k = 7/2

k = 7/2

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