k/2-1=-4 - solution

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Solution for k/2-1=-4 equation:

k in (-oo:+oo)

k/2-1 = -4 // + 4

k/2-1+4 = 0

1/2*k+3 = 0 // - 3

1/2*k = -3 // : 1/2

k = -3/1/2

k = -6

k = -6

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