18/X=72

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Solution for 18/X=72 equation: 


D( X )

X = 0

X = 0

X = 0

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

18/X = 72 // - 72

18/X-72 = 0

18*X^-1 = 72 // : 18

X^-1 = 4

-1 < 0

1/(X^1) = 4 // * X^1

1 = 4*X^1 // : 4

1/4 = X^1

X = 1/4

X = 1/4

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