X/x-2=7/x-2

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Solution for X/x-2=7/x-2 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

X/x-2 = 7/x-2 // - 7/x-2

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

X/x-7*x^-1-2+2 = 0

X*x^-1-7*x^-1 = 0

t_1 = x^-1

X*t_1^1-7*t_1^1 = 0

-7*t_1 = 0 // : -7

t_1 = 0

t_1 = 0

x^-1+0 = 0

x^-1 = 0

1*x^-1 = 0 // : 1

x^-1 = 0

x należy do O

x belongs to the empty set

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