-1+1/2n+n=7/2

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Solution for -1+1/2n+n=7/2 equation: 


n in (-oo:+oo)

(1/2)*n+n-1 = 7/2 // - 7/2

(1/2)*n+n-(7/2)-1 = 0

(1/2)*n+n-7/2-1 = 0

3/2*n-9/2 = 0 // + 9/2

3/2*n = 9/2 // : 3/2

n = 9/2/3/2

n = 3

n = 3

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