7/y=31

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Solution for 7/y=31 equation: 


D( y )

y = 0

y = 0

y = 0

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

7/y = 31 // - 31

7/y-31 = 0

7*y^-1 = 31 // : 7

y^-1 = 31/7

-1 < 0

1/(y^1) = 31/7 // * y^1

1 = 31/7*y^1 // : 31/7

7/31 = y^1

y = 7/31

y = 7/31

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