-(3/y-7)=8

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Solution for -(3/y-7)=8 equation: 


D( y )

y = 0

y = 0

y = 0

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

-(3/y-7) = 8 // - 8

7-(3/y)-8 = 0

7-3*y^-1-8 = 0

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

y^-1 = -1/3

-1 < 0

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

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

-3 = y^1

y = -3

y = -3

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