(X+2)/(x-1)=5/7

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Solution for (X+2)/(x-1)=5/7 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)

(X+2)/(x-1) = 5/7 // - 5/7

(X+2)/(x-1)-(5/7) = 0

(X+2)/(x-1)-5/7 = 0

(7*(X+2))/(7*(x-1))+(-5*(x-1))/(7*(x-1)) = 0

7*(X+2)-5*(x-1) = 0

7*X-5*x+19 = 0

(7*X-5*x+19)/(7*(x-1)) = 0

(7*X-5*x+19)/(7*(x-1)) = 0 // * 7*(x-1)

7*X-5*x+19 = 0

7*X-5*x+19 = 0 // - 7*X+19

-5*x = -(7*X+19) // : -5

x = (-(7*X+19))/(-5)

x = (7*X+19)/5

x = (7*X+19)/5

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