2/x+7=5

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Solution for 2/x+7=5 equation: 


D( x )

x = 0

x = 0

x = 0

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

2/x+7 = 5 // - 5

2/x-5+7 = 0

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

x^-1 = -1

-1 < 0

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

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

-1 = x^1

x = -1

x = -1

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