-7/2v=-21

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Solution for -7/2v=-21 equation: 



-7/2v=-21

We move all terms to the left:

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



Domain of the equation: 2v!=0

v!=0/2

v!=0

v∈R



We add all the numbers together, and all the variables

-7/2v+21=0

We multiply all the terms by the denominator


21*2v-7=0

Wy multiply elements

42v-7=0

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

42v=7

v=7/42

v=1/6

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