2/y-4=7

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Solution for 2/y-4=7 equation: 


D( y )

y = 0

y = 0

y = 0

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

2/y-4 = 7 // - 7

2/y-7-4 = 0

2*y^-1 = 11 // : 2

y^-1 = 11/2

-1 < 0

1/(y^1) = 11/2 // * y^1

1 = 11/2*y^1 // : 11/2

2/11 = y^1

y = 2/11

y = 2/11

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