20/x+1=5/2

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Solution for 20/x+1=5/2 equation: 


D( x )

x = 0

x = 0

x = 0

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

20/x+1 = 5/2 // - 5/2

20/x-(5/2)+1 = 0

20/x-5/2+1 = 0

20*x^-1 = 3/2 // : 20

x^-1 = 3/40

-1 < 0

1/(x^1) = 3/40 // * x^1

1 = 3/40*x^1 // : 3/40

40/3 = x^1

x = 40/3

x = 40/3

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