(4/(x+8))-1=(5/(x+8))

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Solution for (4/(x+8))-1=(5/(x+8)) equation: 


D( x )

x+8 = 0

x+8 = 0

x+8 = 0

x+8 = 0 // - 8

x = -8

x in (-oo:-8) U (-8:+oo)

4/(x+8)-1 = 5/(x+8) // - 5/(x+8)

4/(x+8)-(5/(x+8))-1 = 0

4/(x+8)-5*(x+8)^-1-1 = 0

4/(x+8)-5/(x+8)-1 = 0

4/(x+8)-5/(x+8)+(-1*(x+8))/(x+8) = 0

4-1*(x+8)-5 = 0

-x-8-1 = 0

-x-9 = 0

(-x-9)/(x+8) = 0

(-x-9)/(x+8) = 0 // * x+8

-x-9 = 0

-x-9 = 0 // + 9

-x = 9 // * -1

x = -9

x = -9

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