-1+n/2=-4

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


n in (-oo:+oo)

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

n/2-1+4 = 0

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

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

n = -3/1/2

n = -6

n = -6

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