10/1.2=7.8/x

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Solution for 10/1.2=7.8/x equation: 


D( x )

x = 0

x = 0

x = 0

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

10/1.2 = 7.8/x // - 7.8/x

10/1.2-(7.8/x) = 0

10/1.2-7.8*x^-1 = 0

-7.8*x^-1 = -8.33333333 // : -7.8

x^-1 = 1.06837607

-1 < 0

1/(x^1) = 1.06837607 // * x^1

1 = 1.06837607*x^1 // : 1.06837607

0.936 = x^1

x = 0.936

x = 0.936

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