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Simplifying
u2 = 2u2 + -49
Reorder the terms:
u2 = -49 + 2u2
Solving
u2 = -49 + 2u2
Solving for variable 'u'.
Move all terms containing u to the left, all other terms to the right.
Add '-2u2' to each side of the equation.
u2 + -2u2 = -49 + 2u2 + -2u2
Combine like terms: u2 + -2u2 = -1u2
-1u2 = -49 + 2u2 + -2u2
Combine like terms: 2u2 + -2u2 = 0
-1u2 = -49 + 0
-1u2 = -49
Divide each side by '-1'.
u2 = 49
Simplifying
u2 = 49
Take the square root of each side:
u = {-7, 7}
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