21/n=36/15

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Solution for 21/n=36/15 equation: 


D( n )

n = 0

n = 0

n = 0

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

21/n = 36/15 // - 36/15

21/n-(36/15) = 0

21/n-12/5 = 0

21*n^-1 = 12/5 // : 21

n^-1 = 4/35

-1 < 0

1/(n^1) = 4/35 // * n^1

1 = 4/35*n^1 // : 4/35

35/4 = n^1

n = 35/4

n = 35/4

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