(x-7)/(2x-4)=3

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Solution for (x-7)/(2x-4)=3 equation: 


D( x )

2*x-4 = 0

2*x-4 = 0

2*x-4 = 0

2*x-4 = 0 // + 4

2*x = 4 // : 2

x = 4/2

x = 2

x in (-oo:2) U (2:+oo)

(x-7)/(2*x-4) = 3 // - 3

(x-7)/(2*x-4)-3 = 0

(x-7)/(2*x-4)+(-3*(2*x-4))/(2*x-4) = 0

x-3*(2*x-4)-7 = 0

5-5*x = 0

(5-5*x)/(2*x-4) = 0

(5-5*x)/(2*x-4) = 0 // * 2*x-4

5-5*x = 0

5-5*x = 0 // - 5

-5*x = -5 // : -5

x = -5/(-5)

x = 1

x = 1

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