-4=-2/5v

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



-4=-2/5v

We move all terms to the left:

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



Domain of the equation: 5v)!=0

v!=0/1

v!=0

v∈R



We get rid of parentheses

2/5v-4=0

We multiply all the terms by the denominator


-4*5v+2=0

Wy multiply elements

-20v+2=0

We move all terms containing v to the left, all other terms to the right

-20v=-2

v=-2/-20

v=1/10

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