7/9v+2=21

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Solution for 7/9v+2=21 equation: 



7/9v+2=21

We move all terms to the left:

7/9v+2-(21)=0



Domain of the equation: 9v!=0

v!=0/9

v!=0

v∈R



We add all the numbers together, and all the variables

7/9v-19=0

We multiply all the terms by the denominator


-19*9v+7=0

Wy multiply elements

-171v+7=0

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

-171v=-7

v=-7/-171

v=7/171

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