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Simplifying
7u2 = 3
Solving
7u2 = 3
Solving for variable 'u'.
Move all terms containing u to the left, all other terms to the right.
Divide each side by '7'.
u2 = 0.4285714286
Simplifying
u2 = 0.4285714286
Take the square root of each side:
u = {-0.654653671, 0.654653671}
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