Solve for v
v=0
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-v-2v=0
Combine -v and -v to get -2v.
-3v=0
Combine -v and -2v to get -3v.
v=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -3 is not equal to 0, v must be equal to 0.
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Matrix
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