1/2k-1=-7/9

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Solution for 1/2k-1=-7/9 equation: 


k in (-oo:+oo)

(1/2)*k-1 = -7/9 // + -7/9

(1/2)*k-(-7/9)-1 = 0

(1/2)*k+7/9-1 = 0

1/2*k-2/9 = 0 // + 2/9

1/2*k = 2/9 // : 1/2

k = 2/9/1/2

k = 4/9

k = 4/9

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