(7/x)+(1/2)=(8/x)

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Solution for (7/x)+(1/2)=(8/x) equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x+1/2 = 8/x // - 8/x

7/x-(8/x)+1/2 = 0

7/x-8*x^-1+1/2 = 0

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

x^-1 = 1/2

-1 < 0

1/(x^1) = 1/2 // * x^1

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

2 = x^1

x = 2

x = 2

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