-1/2=-7/-1-2v

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Solution for -1/2=-7/-1-2v equation: 


v in (-oo:+oo)

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

2*v-1/2-(-7/(-1)) = 0

2*v-1/2-7 = 0

2*v-15/2 = 0 // + 15/2

2*v = 15/2 // : 2

v = 15/2/2

v = 15/4

v = 15/4

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