-7n-9+n=-75

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Solution for -7n-9+n=-75 equation: 


n in (-oo:+oo)

n-7*n-9 = -75 // + 75

n-7*n-9+75 = 0

66-6*n = 0 // - 66

-6*n = -66 // : -6

n = -66/(-6)

n = 11

n = 11

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