n+(n/2-1)=2n-4

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Solution for n+(n/2-1)=2n-4 equation: 


n in (-oo:+oo)

n+n/2-1 = 2*n-4 // - 2*n-4

n+n/2-(2*n)-1+4 = 0

n+n/2-2*n-1+4 = 0

3-1/2*n = 0 // - 3

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

n = -3/(-1/2)

n = 6

n = 6

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