7/X=5/105

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Solution for 7/X=5/105 equation: 


D( X )

X = 0

X = 0

X = 0

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

7/X = 5/105 // - 5/105

7/X-(5/105) = 0

7/X-1/21 = 0

7*X^-1 = 1/21 // : 7

X^-1 = 1/147

-1 < 0

1/(X^1) = 1/147 // * X^1

1 = 1/147*X^1 // : 1/147

147 = X^1

X = 147

X = 147

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