4/x=100/1000

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Solution for 4/x=100/1000 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x = 100/1000 // - 100/1000

4/x-(100/1000) = 0

4/x-1/10 = 0

4*x^-1 = 1/10 // : 4

x^-1 = 1/40

-1 < 0

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

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

40 = x^1

x = 40

x = 40

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