-20=-4/7v

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Solution for -20=-4/7v equation: 



-20=-4/7v

We move all terms to the left:

-20-(-4/7v)=0



Domain of the equation: 7v)!=0

v!=0/1

v!=0

v∈R



We get rid of parentheses

4/7v-20=0

We multiply all the terms by the denominator


-20*7v+4=0

Wy multiply elements

-140v+4=0

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

-140v=-4

v=-4/-140

v=1/35

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