-7/8v=-21

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Solution for -7/8v=-21 equation: 



-7/8v=-21

We move all terms to the left:

-7/8v-(-21)=0



Domain of the equation: 8v!=0

v!=0/8

v!=0

v∈R



We add all the numbers together, and all the variables

-7/8v+21=0

We multiply all the terms by the denominator


21*8v-7=0

Wy multiply elements

168v-7=0

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

168v=7

v=7/168

v=1/24

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