7/(x-2)=4

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


D( x )

x-2 = 0

x-2 = 0

x-2 = 0

x-2 = 0 // + 2

x = 2

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

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

7/(x-2)-4 = 0

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

7-4*(x-2) = 0

15-4*x = 0

(15-4*x)/(x-2) = 0

(15-4*x)/(x-2) = 0 // * x-2

15-4*x = 0

15-4*x = 0 // - 15

-4*x = -15 // : -4

x = -15/(-4)

x = 15/4

x = 15/4

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