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

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Solution for (3x)/(x+4)-(5)/(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)

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

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

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

3*x-5 = 0

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

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

3*x-5 = 0

3*x-5 = 0 // + 5

3*x = 5 // : 3

x = 5/3

x = 5/3

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