-2k+9=-7

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Solution for -2k+9=-7 equation: 


k in (-oo:+oo)

9-2*k = -7 // + 7

7-2*k+9 = 0

16-2*k = 0 // - 16

-2*k = -16 // : -2

k = -16/(-2)

k = 8

k = 8

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