-2/5+4/7v=-1/2

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Solution for -2/5+4/7v=-1/2 equation: 



-2/5+4/7v=-1/2

We move all terms to the left:

-2/5+4/7v-(-1/2)=0



Domain of the equation: 7v!=0

v!=0/7

v!=0

v∈R



We get rid of parentheses

4/7v-2/5+1/2=0

We calculate fractions

There is no solution for this equation

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