4/x-4=7/x-1

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Solution for 4/x-4=7/x-1 equation:


D( x )

x = 0

x = 0

x = 0

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

4/x-4 = 7/x-1 // - 7/x-1

4/x-(7/x)-4+1 = 0

4/x-7*x^-1-4+1 = 0

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

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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