9/v+8=7/v

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Solution for 9/v+8=7/v equation: 


D( v )

v = 0

v = 0

v = 0

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

9/v+8 = 7/v // - 7/v

9/v-(7/v)+8 = 0

9/v-7*v^-1+8 = 0

2*v^-1 = -8 // : 2

v^-1 = -4

-1 < 0

1/(v^1) = -4 // * v^1

1 = -4*v^1 // : -4

-1/4 = v^1

v = -1/4

v = -1/4

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