7/y=91

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Solution for 7/y=91 equation: 


D( y )

y = 0

y = 0

y = 0

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

7/y = 91 // - 91

7/y-91 = 0

7*y^-1 = 91 // : 7

y^-1 = 13

-1 < 0

1/(y^1) = 13 // * y^1

1 = 13*y^1 // : 13

1/13 = y^1

y = 1/13

y = 1/13

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