5/2v-4=7/2v

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Solution for 5/2v-4=7/2v equation: 


v in (-oo:+oo)

(5/2)*v-4 = (7/2)*v // - (7/2)*v

(5/2)*v-((7/2)*v)-4 = 0

(5/2)*v+(-7/2)*v-4 = 0

-v-4 = 0 // + 4

-v = 4 // * -1

v = -4

v = -4

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