4/x=2.8/5.6

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Solution for 4/x=2.8/5.6 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x = 2.8/5.6 // - 2.8/5.6

4/x-(2.8/5.6) = 0

4/x-0.5 = 0

4*x^-1 = 0.5 // : 4

x^-1 = 0.125

-1 < 0

1/(x^1) = 0.125 // * x^1

1 = 0.125*x^1 // : 0.125

8 = x^1

x = 8

x = 8

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