5/y-2/y=-4

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Solution for 5/y-2/y=-4 equation: 


D( y )

y = 0

y = 0

y = 0

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

5/y-(2/y) = -4 // + 4

5/y-(2/y)+4 = 0

5/y-2*y^-1+4 = 0

3*y^-1 = -4 // : 3

y^-1 = -4/3

-1 < 0

1/(y^1) = -4/3 // * y^1

1 = -4/3*y^1 // : -4/3

-3/4 = y^1

y = -3/4

y = -3/4

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