3/(x-1)+5=28/(x-1)

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Solution for 3/(x-1)+5=28/(x-1) 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)

3/(x-1)+5 = 28/(x-1) // - 28/(x-1)

3/(x-1)-(28/(x-1))+5 = 0

3/(x-1)-28*(x-1)^-1+5 = 0

3/(x-1)-28/(x-1)+5 = 0

3/(x-1)-28/(x-1)+(5*(x-1))/(x-1) = 0

5*(x-1)-28+3 = 0

5*x-25-5 = 0

5*x-30 = 0

(5*x-30)/(x-1) = 0

(5*x-30)/(x-1) = 0 // * x-1

5*x-30 = 0

5*x-30 = 0 // + 30

5*x = 30 // : 5

x = 30/5

x = 6

x = 6

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