(4x-5)/(x+1)=3

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Solution for (4x-5)/(x+1)=3 equation: 


D( x )

x+1 = 0

x+1 = 0

x+1 = 0

x+1 = 0 // - 1

x = -1

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

(4*x-5)/(x+1) = 3 // - 3

(4*x-5)/(x+1)-3 = 0

(4*x-5)/(x+1)+(-3*(x+1))/(x+1) = 0

4*x-3*(x+1)-5 = 0

x-8 = 0

(x-8)/(x+1) = 0

(x-8)/(x+1) = 0 // * x+1

x-8 = 0

x-8 = 0 // + 8

x = 8

x = 8

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