(4/(x+1))=3/x

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Solution for (4/(x+1))=3/x equation: 


D( x )

x = 0

x+1 = 0

x = 0

x = 0

x+1 = 0

x+1 = 0

x+1 = 0 // - 1

x = -1

x in (-oo:-1) U (-1:0) U (0:+oo)

4/(x+1) = 3/x // - 3/x

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

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

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

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

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

x-3 = 0

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

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

x-3 = 0

x-3 = 0 // + 3

x = 3

x = 3

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