(39)/(3x-12)=(13/3)

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Solution for (39)/(3x-12)=(13/3) equation: 


D( x )

3*x-12 = 0

3*x-12 = 0

3*x-12 = 0

3*x-12 = 0 // + 12

3*x = 12 // : 3

x = 12/3

x = 4

x in (-oo:4) U (4:+oo)

39/(3*x-12) = 13/3 // - 13/3

39/(3*x-12)-(13/3) = 0

39/(3*x-12)-13/3 = 0

(3*39)/(3*(3*x-12))+(-13*(3*x-12))/(3*(3*x-12)) = 0

3*39-13*(3*x-12) = 0

273-39*x = 0

(273-39*x)/(3*(3*x-12)) = 0

(273-39*x)/(3*(3*x-12)) = 0 // * 3*(3*x-12)

273-39*x = 0

273-39*x = 0 // - 273

-39*x = -273 // : -39

x = -273/(-39)

x = 7

x = 7

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