-2/y-5=7

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Solution for -2/y-5=7 equation: 


D( y )

y = 0

y = 0

y = 0

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

-2/y-5 = 7 // - 7

-2/y-7-5 = 0

-2*y^-1 = 12 // : -2

y^-1 = -6

-1 < 0

1/(y^1) = -6 // * y^1

1 = -6*y^1 // : -6

-1/6 = y^1

y = -1/6

y = -1/6

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