3/(x-1)=2/5

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Solution for 3/(x-1)=2/5 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) = 2/5 // - 2/5

3/(x-1)-(2/5) = 0

3/(x-1)-2/5 = 0

(3*5)/(5*(x-1))+(-2*(x-1))/(5*(x-1)) = 0

3*5-2*(x-1) = 0

17-2*x = 0

(17-2*x)/(5*(x-1)) = 0

(17-2*x)/(5*(x-1)) = 0 // * 5*(x-1)

17-2*x = 0

17-2*x = 0 // - 17

-2*x = -17 // : -2

x = -17/(-2)

x = 17/2

x = 17/2

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