-2n+1=-9

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Solution for -2n+1=-9 equation: 


n in (-oo:+oo)

1-2*n = -9 // + 9

1-2*n+9 = 0

10-2*n = 0 // - 10

-2*n = -10 // : -2

n = -10/(-2)

n = 5

n = 5

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