80=k/9

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Solution for 80=k/9 equation:


k in (-oo:+oo)

80 = k/9 // - k/9

80-(k/9) = 0

80-1/9*k = 0 // - 80

-1/9*k = -80 // : -1/9

k = -80/(-1/9)

k = 720

k = 720

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