6/y+9/y=5

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Solution for 6/y+9/y=5 equation: 


D( y )

y = 0

y = 0

y = 0

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

6/y+9/y = 5 // - 5

6/y+9/y-5 = 0

15*y^-1 = 5 // : 15

y^-1 = 1/3

-1 < 0

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

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

3 = y^1

y = 3

y = 3

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