-1/2n-9=-19/2

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Solution for -1/2n-9=-19/2 equation: 


n in (-oo:+oo)

(-1/2)*n-9 = -19/2 // + -19/2

(-1/2)*n-(-19/2)-9 = 0

(-1/2)*n+19/2-9 = 0

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

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

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

n = 1

n = 1

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