7/x=17/21

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Solution for 7/x=17/21 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 17/21 // - 17/21

7/x-(17/21) = 0

7/x-17/21 = 0

7*x^-1 = 17/21 // : 7

x^-1 = 17/147

-1 < 0

1/(x^1) = 17/147 // * x^1

1 = 17/147*x^1 // : 17/147

147/17 = x^1

x = 147/17

x = 147/17

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