70/x=4/30

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Solution for 70/x=4/30 equation: 


D( x )

x = 0

x = 0

x = 0

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

70/x = 4/30 // - 4/30

70/x-(4/30) = 0

70/x-2/15 = 0

70*x^-1 = 2/15 // : 70

x^-1 = 1/525

-1 < 0

1/(x^1) = 1/525 // * x^1

1 = 1/525*x^1 // : 1/525

525 = x^1

x = 525

x = 525

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