4=7/v-3

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Solution for 4=7/v-3 equation: 


D( v )

v = 0

v = 0

v = 0

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

4 = 7/v-3 // - 7/v-3

3-(7/v)+4 = 0

3-7*v^-1+4 = 0

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

v^-1 = 1

-1 < 0

1/(v^1) = 1 // * v^1

1 = 1*v^1 // : 1

1 = v^1

v = 1

v = 1

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