19/y+21/y=5

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Solution for 19/y+21/y=5 equation: 


D( y )

y = 0

y = 0

y = 0

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

19/y+21/y = 5 // - 5

19/y+21/y-5 = 0

40*y^-1 = 5 // : 40

y^-1 = 1/8

-1 < 0

1/(y^1) = 1/8 // * y^1

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

8 = y^1

y = 8

y = 8

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