-2=7/v

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Solution for -2=7/v equation: 


D( v )

v = 0

v = 0

v = 0

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

-2 = 7/v // - 7/v

-(7/v)-2 = 0

-7*v^-1-2 = 0

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

v^-1 = -2/7

-1 < 0

1/(v^1) = -2/7 // * v^1

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

-7/2 = v^1

v = -7/2

v = -7/2

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