-20=4/7*v

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Solution for -20=4/7*v 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 add all the numbers together, and all the variables

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

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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