3/y-7

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Solution for 3/y-7 equation: 


D( y )

y = 0

y = 0

y = 0

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

3/y-7 = 0

3*y^-1 = 7 // : 3

y^-1 = 7/3

-1 < 0

1/(y^1) = 7/3 // * y^1

1 = 7/3*y^1 // : 7/3

3/7 = y^1

y = 3/7

y = 3/7

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