(2/(x-3))=7

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


D( x )

x-3 = 0

x-3 = 0

x-3 = 0

x-3 = 0 // + 3

x = 3

x in (-oo:3) U (3:+oo)

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

2/(x-3)-7 = 0

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

2-7*(x-3) = 0

23-7*x = 0

(23-7*x)/(x-3) = 0

(23-7*x)/(x-3) = 0 // * x-3

23-7*x = 0

23-7*x = 0 // - 23

-7*x = -23 // : -7

x = -23/(-7)

x = 23/7

x = 23/7

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