-86/7=-5/7k+4k-9

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Solution for -86/7=-5/7k+4k-9 equation: 


k in (-oo:+oo)

-86/7 = (-5/7)*k+4*k-9 // - (-5/7)*k+4*k-9

9-((-5/7)*k)-(4*k)-86/7 = 0

(5/7)*k-4*k-86/7+9 = 0

-23/7*k-23/7 = 0 // + 23/7

-23/7*k = 23/7 // : -23/7

k = 23/7/(-23/7)

k = -1

k = -1

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