X/X+3=5/X+7

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Solution for X/X+3=5/X+7 equation: 


D( X )

X = 0

X = 0

X = 0

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

X/X+3 = 5/X+7 // - 5/X+7

X/X-(5/X)-7+3 = 0

X/X-5*X^-1-7+3 = 0

-5*X^-1 = 3 // : -5

X^-1 = -3/5

-1 < 0

1/(X^1) = -3/5 // * X^1

1 = -3/5*X^1 // : -3/5

-5/3 = X^1

X = -5/3

X = -5/3

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