7/x=30

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Solution for 7/x=30 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 30 // - 30

7/x-30 = 0

7*x^-1 = 30 // : 7

x^-1 = 30/7

-1 < 0

1/(x^1) = 30/7 // * x^1

1 = 30/7*x^1 // : 30/7

7/30 = x^1

x = 7/30

x = 7/30

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