-7/9v=-21

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Solution for -7/9v=-21 equation: 



-7/9v=-21

We move all terms to the left:

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

We multiply all the terms by the denominator


21*9v-7=0

Wy multiply elements

189v-7=0

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

189v=7

v=7/189

v=1/27

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