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Simplifying
2v2 = 84
Solving
2v2 = 84
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Divide each side by '2'.
v2 = 42
Simplifying
v2 = 42
Take the square root of each side:
v = {-6.480740698, 6.480740698}
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