315/21=540/n

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Solution for 315/21=540/n equation: 


D( n )

n = 0

n = 0

n = 0

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

315/21 = 540/n // - 540/n

315/21-(540/n) = 0

315/21-540*n^-1 = 0

-540*n^-1 = -15 // : -540

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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