-2/5=1/2v-2/7

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Solution for -2/5=1/2v-2/7 equation: 


v in (-oo:+oo)

-2/5 = (1/2)*v-(2/7) // - (1/2)*v-(2/7)

2/7-((1/2)*v)-2/5 = 0

(-1/2)*v-2/5+2/7 = 0

-1/2*v-4/35 = 0 // + 4/35

-1/2*v = 4/35 // : -1/2

v = 4/35/(-1/2)

v = -8/35

v = -8/35

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