20/X-3=7

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Solution for 20/X-3=7 equation: 


D( X )

X = 0

X = 0

X = 0

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

20/X-3 = 7 // - 7

20/X-7-3 = 0

20*X^-1 = 10 // : 20

X^-1 = 1/2

-1 < 0

1/(X^1) = 1/2 // * X^1

1 = 1/2*X^1 // : 1/2

2 = X^1

X = 2

X = 2

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