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Evaluate the expression for u=7u = 7.\newline2u=2u = _____

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Full solution

Q. Evaluate the expression for u=7u = 7.\newline2u=2u = _____
  1. Identify variable uu: Identify the value of the variable uu. The problem states that u=7u = 7.
  2. Substitute value into expression: Substitute the value of uu into the expression 2u2u.2u=2×72u = 2 \times 7
  3. Perform multiplication: Perform the multiplication to evaluate the expression. 2×7=142 \times 7 = 14

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