8/9=12/y

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Solution for 8/9=12/y equation: 


D( y )

y = 0

y = 0

y = 0

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

8/9 = 12/y // - 12/y

8/9-(12/y) = 0

8/9-12*y^-1 = 0

-12*y^-1 = -8/9 // : -12

y^-1 = 2/27

-1 < 0

1/(y^1) = 2/27 // * y^1

1 = 2/27*y^1 // : 2/27

27/2 = y^1

y = 27/2

y = 27/2

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