-8=-2/y

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Solution for -8=-2/y equation: 


D( y )

y = 0

y = 0

y = 0

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

-8 = -2/y // + -2/y

-(-2/y)-8 = 0

2*y^-1-8 = 0

2*y^-1 = 8 // : 2

y^-1 = 4

-1 < 0

1/(y^1) = 4 // * y^1

1 = 4*y^1 // : 4

1/4 = y^1

y = 1/4

y = 1/4

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