(4/y+2)=-2

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Solution for (4/y+2)=-2 equation: 


D( y )

y = 0

y = 0

y = 0

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

4/y+2 = -2 // + 2

4/y+2+2 = 0

4*y^-1 = -4 // : 4

y^-1 = -1

-1 < 0

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

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

-1 = y^1

y = -1

y = -1

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