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v^-9=v^-9
We move all terms to the left:
v^-9-(v^-9)=0
We add all the numbers together, and all the variables
v-(v^-9)-9=0
We get rid of parentheses
v-v^+9-9=0
We add all the numbers together, and all the variables
=0
v=0/1
v=0
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