7-(10/x)=4+(2/x)

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Solution for 7-(10/x)=4+(2/x) equation: 


D( x )

x = 0

x = 0

x = 0

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

7-(10/x) = 2/x+4 // - 2/x+4

7-(10/x)-(2/x)-4 = 0

7-10*x^-1-2*x^-1-4 = 0

-12*x^-1 = -3 // : -12

x^-1 = 1/4

-1 < 0

1/(x^1) = 1/4 // * x^1

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

4 = x^1

x = 4

x = 4

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