2+7/x=2/5

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Solution for 2+7/x=2/5 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x+2 = 2/5 // - 2/5

7/x-(2/5)+2 = 0

7/x-2/5+2 = 0

7*x^-1 = -8/5 // : 7

x^-1 = -8/35

-1 < 0

1/(x^1) = -8/35 // * x^1

1 = -8/35*x^1 // : -8/35

-35/8 = x^1

x = -35/8

x = -35/8

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