28/n=7/9

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Solution for 28/n=7/9 equation: 


D( n )

n = 0

n = 0

n = 0

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

28/n = 7/9 // - 7/9

28/n-(7/9) = 0

28/n-7/9 = 0

28*n^-1 = 7/9 // : 28

n^-1 = 1/36

-1 < 0

1/(n^1) = 1/36 // * n^1

1 = 1/36*n^1 // : 1/36

36 = n^1

n = 36

n = 36

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