3/x+7/x=2

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Solution for 3/x+7/x=2 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x+7/x = 2 // - 2

3/x+7/x-2 = 0

10*x^-1 = 2 // : 10

x^-1 = 1/5

-1 < 0

1/(x^1) = 1/5 // * x^1

1 = 1/5*x^1 // : 1/5

5 = x^1

x = 5

x = 5

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