2/n=-7

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Solution for 2/n=-7 equation: 


D( n )

n = 0

n = 0

n = 0

n in (-oo:0) U (0:+oo)

2/n = -7 // + 7

2/n+7 = 0

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

n^-1 = -7/2

-1 < 0

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

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

-2/7 = n^1

n = -2/7

n = -2/7

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