1/X-3/7=-2/7

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Solution for 1/X-3/7=-2/7 equation: 


D( X )

X = 0

X = 0

X = 0

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

1/X-(3/7) = -2/7 // + -2/7

1/X-(3/7)-(-2/7) = 0

1/X-3/7+2/7 = 0

1*X^-1 = 1/7 // : 1

X^-1 = 1/7

-1 < 0

1/(X^1) = 1/7 // * X^1

1 = 1/7*X^1 // : 1/7

7 = X^1

X = 7

X = 7

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