2/7k-1=-3/7

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Solution for 2/7k-1=-3/7 equation: 


k in (-oo:+oo)

(2/7)*k-1 = -3/7 // + -3/7

(2/7)*k-(-3/7)-1 = 0

(2/7)*k+3/7-1 = 0

2/7*k-4/7 = 0 // + 4/7

2/7*k = 4/7 // : 2/7

k = 4/7/2/7

k = 2

k = 2

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