1/2n+9=11/2

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Solution for 1/2n+9=11/2 equation: 


n in (-oo:+oo)

(1/2)*n+9 = 11/2 // - 11/2

(1/2)*n-(11/2)+9 = 0

(1/2)*n-11/2+9 = 0

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

1/2*n = -7/2 // : 1/2

n = -7/2/1/2

n = -7

n = -7

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