75/X=900/1200

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Solution for 75/X=900/1200 equation: 


D( X )

X = 0

X = 0

X = 0

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

75/X = 900/1200 // - 900/1200

75/X-(900/1200) = 0

75/X-3/4 = 0

75*X^-1 = 3/4 // : 75

X^-1 = 1/100

-1 < 0

1/(X^1) = 1/100 // * X^1

1 = 1/100*X^1 // : 1/100

100 = X^1

X = 100

X = 100

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