7/y=2

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Solution for 7/y=2 equation: 


D( y )

y = 0

y = 0

y = 0

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

7/y = 2 // - 2

7/y-2 = 0

7*y^-1 = 2 // : 7

y^-1 = 2/7

-1 < 0

1/(y^1) = 2/7 // * y^1

1 = 2/7*y^1 // : 2/7

7/2 = y^1

y = 7/2

y = 7/2

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