7/12=143/x

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Solution for 7/12=143/x equation: 


D( x )

x = 0

x = 0

x = 0

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

7/12 = 143/x // - 143/x

7/12-(143/x) = 0

7/12-143*x^-1 = 0

-143*x^-1 = -7/12 // : -143

x^-1 = 7/1716

-1 < 0

1/(x^1) = 7/1716 // * x^1

1 = 7/1716*x^1 // : 7/1716

1716/7 = x^1

x = 1716/7

x = 1716/7

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