-21=v/4

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Solution for -21=v/4 equation: 



-21=v/4

We move all terms to the left:

-21-(v/4)=0

We add all the numbers together, and all the variables

-(+v/4)-21=0

We get rid of parentheses

-v/4-21=0

We multiply all the terms by the denominator


-v-21*4=0

We add all the numbers together, and all the variables

-1v-84=0

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

-v=84

v=84/-1

v=-84

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