y=((x+3)/(x-4))

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Solution for y=((x+3)/(x-4)) equation: 


D( x )

x-4 = 0

x-4 = 0

x-4 = 0

x-4 = 0 // + 4

x = 4

x in (-oo:4) U (4:+oo)

y = (x+3)/(x-4) // - (x+3)/(x-4)

y-((x+3)/(x-4)) = 0

(-1*(x+3))/(x-4)+y = 0

(-1*(x+3))/(x-4)+(y*(x-4))/(x-4) = 0

y*(x-4)-1*(x+3) = 0

x*y-x-4*y-3 = 0

(x*y-x-4*y-3)/(x-4) = 0

(x*y-x-4*y-3)/(x-4) = 0 // * x-4

x*y-x-4*y-3 = 0

x*y-4*y-3 = 0 // + -4*y-3

x*y = -(-4*y-3) // : y

x = (-(-4*y-3))/y

x = (3-(-4*y))/y

x = (3-(-4*y))/y

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