k+1=2k-9 - solution

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Solution for k+1=2k-9 equation:

k in (-oo:+oo)

k+1 = 2*k-9 // - 2*k-9

k-(2*k)+1+9 = 0

k-2*k+1+9 = 0

10-k = 0 // - 10

-k = -10 // * -1

k = 10

k = 10

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