12=2k-k+3 - solution

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Solution for 12=2k-k+3 equation:

k in (-oo:+oo)

12 = 2*k-k+3 // - 2*k-k+3

k-(2*k)-3+12 = 0

k-2*k-3+12 = 0

9-k = 0 // - 9

-k = -9 // * -1

k = 9

k = 9

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