7/4v=21

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Solution for 7/4v=21 equation: 



7/4v=21

We move all terms to the left:

7/4v-(21)=0



Domain of the equation: 4v!=0

v!=0/4

v!=0

v∈R



We multiply all the terms by the denominator


-21*4v+7=0

Wy multiply elements

-84v+7=0

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

-84v=-7

v=-7/-84

v=1/12

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