2/7k-9=-65/7

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Solution for 2/7k-9=-65/7 equation: 


k in (-oo:+oo)

(2/7)*k-9 = -65/7 // + -65/7

(2/7)*k-(-65/7)-9 = 0

(2/7)*k+65/7-9 = 0

2/7*k+2/7 = 0 // - 2/7

2/7*k = -2/7 // : 2/7

k = -2/7/2/7

k = -1

k = -1

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