-3/8v=21

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Solution for -3/8v=21 equation: 



-3/8v=21

We move all terms to the left:

-3/8v-(21)=0



Domain of the equation: 8v!=0

v!=0/8

v!=0

v∈R



We multiply all the terms by the denominator


-21*8v-3=0

Wy multiply elements

-168v-3=0

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

-168v=3

v=3/-168

v=-1/56

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