X-1=7/(4x)

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Solution for X-1=7/(4x) equation: 


D( x )

4*x = 0

4*x = 0

4*x = 0

4*x = 0 // : 4

x = 0

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

X-1 = 7/(4*x) // - 7/(4*x)

X-(7/(4*x))-1 = 0

X+(-7/4)*x^-1-1 = 0

-7/4*x^-1 = -(X-1) // : -7/4

x^-1 = -4/7*(1-X)

-1 < 0

1/(x^1) = -4/7*(1-X) // * x^1

1 = -4/7*x^1*(1-X) // : -4/7*(1-X)

-7/4*(1-X)^-1 = x^1

x = -7/4*(1-X)^-1

x = -7/4*(1-X)^-1

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