-6=-42/n

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Solution for -6=-42/n equation: 


D( n )

n = 0

n = 0

n = 0

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

-6 = -42/n // + -42/n

-(-42/n)-6 = 0

42*n^-1-6 = 0

42*n^-1 = 6 // : 42

n^-1 = 1/7

-1 < 0

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

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

7 = n^1

n = 7

n = 7

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