-3+1/2k=4/7k-421/140

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Solution for -3+1/2k=4/7k-421/140 equation: 


k in (-oo:+oo)

(1/2)*k-3 = (4/7)*k-(421/140) // - (4/7)*k-(421/140)

(1/2)*k-((4/7)*k)+421/140-3 = 0

(1/2)*k+(-4/7)*k+421/140-3 = 0

1/140-1/14*k = 0 // - 1/140

-1/14*k = -1/140 // : -1/14

k = -1/140/(-1/14)

k = 1/10

k = 1/10

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