8/x+9=4/10

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Solution for 8/x+9=4/10 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x+9 = 4/10 // - 4/10

8/x-(4/10)+9 = 0

8/x-2/5+9 = 0

8*x^-1 = -43/5 // : 8

x^-1 = -43/40

-1 < 0

1/(x^1) = -43/40 // * x^1

1 = -43/40*x^1 // : -43/40

-40/43 = x^1

x = -40/43

x = -40/43

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