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-4/7v-1/5=-1/2
We move all terms to the left:
-4/7v-1/5-(-1/2)=0
Domain of the equation: 7v!=0We get rid of parentheses
v!=0/7
v!=0
v∈R
-4/7v-1/5+1/2=0
We calculate fractions
There is no solution for this equation
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