2/9=k/21

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Solution for 2/9=k/21 equation: 


k in (-oo:+oo)

2/9 = k/21 // - k/21

2/9-(k/21) = 0

2/9-1/21*k = 0 // - 2/9

-1/21*k = -2/9 // : -1/21

k = -2/9/(-1/21)

k = 14/3

k = 14/3

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