71/7=98/x

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Solution for 71/7=98/x equation: 


D( x )

x = 0

x = 0

x = 0

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

71/7 = 98/x // - 98/x

71/7-(98/x) = 0

71/7-98*x^-1 = 0

-98*x^-1 = -71/7 // : -98

x^-1 = 71/686

-1 < 0

1/(x^1) = 71/686 // * x^1

1 = 71/686*x^1 // : 71/686

686/71 = x^1

x = 686/71

x = 686/71

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