49/9=72/n

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Solution for 49/9=72/n equation: 


D( n )

n = 0

n = 0

n = 0

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

49/9 = 72/n // - 72/n

49/9-(72/n) = 0

49/9-72*n^-1 = 0

-72*n^-1 = -49/9 // : -72

n^-1 = 49/648

-1 < 0

1/(n^1) = 49/648 // * n^1

1 = 49/648*n^1 // : 49/648

648/49 = n^1

n = 648/49

n = 648/49

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