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Evaluate the expression for q=10q = 10.\newline−2q+5=-2q + 5 = _____

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Full solution

Q. Evaluate the expression for q=10q = 10.\newline−2q+5=-2q + 5 = _____
  1. Identify Expression: Identify the expression to evaluate.\newlineWe need to substitute q=10q = 10 into the expression –2q+5–2q + 5.
  2. Substitute Value: Substitute the value of qq into the expression.\newlineReplace qq with 1010 in the expression –2q+5–2q + 5 to get –2(10)+5–2(10) + 5.
  3. Perform Multiplication: Perform the multiplication.\newlineCalculate –2×10–2 \times 10 to get –20–20.\newlineExpression after multiplication: –20+5–20 + 5.
  4. Add to Evaluate: Add 55 to −20-20. Evaluate −20+5-20 + 5 to get −15-15.

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